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[Valgrind-developers] valgrind: r13521: Rename configure.in to configure.ac to make more recent auto*s happy,
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From: <sv...@va...> - 2013-09-02 12:45:06
|
sewardj 2013-09-02 12:44:52 +0000 (Mon, 02 Sep 2013)
New Revision: 13521
Log:
Rename configure.in to configure.ac to make more recent auto*s happy,
and also add the automake option "subdir-objects". As advisde by
Tromey and Mjw.
Copied files:
trunk/configure.ac
(from rev 13520, trunk/configure.in)
Removed files:
trunk/configure.in
Copied: trunk/configure.ac (+2737 -0)
===================================================================
--- trunk/configure.in 2013-08-31 16:02:15 +00:00 (rev 13520)
+++ trunk/configure.ac 2013-09-02 12:44:52 +00:00 (rev 13521)
@@ -0,0 +1,2737 @@
+
+##------------------------------------------------------------##
+#
+# The multiple-architecture stuff in this file is pretty
+# cryptic. Read docs/internals/multiple-architectures.txt
+# for at least a partial explanation of what is going on.
+#
+##------------------------------------------------------------##
+
+# Process this file with autoconf to produce a configure script.
+AC_INIT([Valgrind],[3.9.0.SVN],[val...@li...])
+AC_CONFIG_SRCDIR(coregrind/m_main.c)
+AC_CONFIG_HEADERS([config.h])
+AM_INIT_AUTOMAKE([foreign subdir-objects])
+
+AM_MAINTAINER_MODE
+
+#----------------------------------------------------------------------------
+# Checks for various programs.
+#----------------------------------------------------------------------------
+CFLAGS="-Wno-long-long $CFLAGS"
+
+AC_PROG_LN_S
+AC_PROG_CC
+AM_PROG_CC_C_O
+AC_PROG_CPP
+AC_PROG_CXX
+# AC_PROG_OBJC apparently causes problems on older Linux distros (eg. with
+# autoconf 2.59). If we ever have any Objective-C code in the Valgrind code
+# base (eg. most likely as Darwin-specific tests) we'll need one of the
+# following:
+# - put AC_PROG_OBJC in a Darwin-specific part of this file
+# - Use AC_PROG_OBJC here and up the minimum autoconf version
+# - Use the following, which is apparently equivalent:
+# m4_ifdef([AC_PROG_OBJC],
+# [AC_PROG_OBJC],
+# [AC_CHECK_TOOL([OBJC], [gcc])
+# AC_SUBST([OBJC])
+# AC_SUBST([OBJCFLAGS])
+# ])
+AC_PROG_RANLIB
+# provide a very basic definition for AC_PROG_SED if it's not provided by
+# autoconf (as e.g. in autoconf 2.59).
+m4_ifndef([AC_PROG_SED],
+ [AC_DEFUN([AC_PROG_SED],
+ [AC_ARG_VAR([SED])
+ AC_CHECK_PROGS([SED],[gsed sed])])])
+AC_PROG_SED
+
+# If no AR variable was specified, look up the name of the archiver. Otherwise
+# do not touch the AR variable.
+if test "x$AR" = "x"; then
+ AC_PATH_PROGS([AR], [`echo $LD | $SED 's/ld$/ar/'` "ar"], [ar])
+fi
+AC_ARG_VAR([AR],[Archiver command])
+
+# Check for the compiler support
+if test "${GCC}" != "yes" ; then
+ AC_MSG_ERROR([Valgrind relies on GCC to be compiled])
+fi
+
+# figure out where perl lives
+AC_PATH_PROG(PERL, perl)
+
+# figure out where gdb lives
+AC_PATH_PROG(GDB, gdb, "/no/gdb/was/found/at/configure/time")
+AC_DEFINE_UNQUOTED(GDB_PATH, "$GDB", [path to GDB])
+
+# some older automake's don't have it so try something on our own
+ifdef([AM_PROG_AS],[AM_PROG_AS],
+[
+AS="${CC}"
+AC_SUBST(AS)
+
+ASFLAGS=""
+AC_SUBST(ASFLAGS)
+])
+
+
+# Check if 'diff' supports -u (universal diffs) and use it if possible.
+
+AC_MSG_CHECKING([for diff -u])
+AC_SUBST(DIFF)
+
+# Comparing two identical files results in 0.
+tmpfile="tmp-xxx-yyy-zzz"
+touch $tmpfile;
+if diff -u $tmpfile $tmpfile ; then
+ AC_MSG_RESULT([yes])
+ DIFF="diff -u"
+else
+ AC_MSG_RESULT([no])
+ DIFF="diff"
+fi
+rm $tmpfile
+
+
+# We don't want gcc < 3.0
+AC_MSG_CHECKING([for a supported version of gcc])
+
+# Obtain the compiler version.
+#
+# A few examples of how the ${CC} --version output looks like:
+#
+# Arch Linux: i686-pc-linux-gnu-gcc (GCC) 4.6.2
+# Debian Linux: gcc (Debian 4.3.2-1.1) 4.3.2
+# openSUSE: gcc (SUSE Linux) 4.5.1 20101208 [gcc-4_5-branch revision 167585]
+# Exherbo Linux: x86_64-pc-linux-gnu-gcc (Exherbo gcc-4.6.2) 4.6.2
+# MontaVista Linux for ARM: arm-none-linux-gnueabi-gcc (Sourcery G++ Lite 2009q1-203) 4.3.3
+# OS/X 10.6: i686-apple-darwin10-gcc-4.2.1 (GCC) 4.2.1 (Apple Inc. build 5666) (dot 3)
+# OS/X 10.7: i686-apple-darwin11-llvm-gcc-4.2 (GCC) 4.2.1 (Based on Apple Inc. build 5658) (LLVM build 2335.15.00)
+# Clang: clang version 2.9 (tags/RELEASE_29/final)
+# Apple clang: Apple clang version 3.1 (tags/Apple/clang-318.0.58) (based on LLVM 3.1svn)
+# FreeBSD clang: FreeBSD clang version 3.1 (branches/release_31 156863) 20120523
+#
+[
+if test "x`${CC} --version | $SED -n -e 's/.*\(clang\) version.*/\1/p'`" = "xclang" ; then
+ is_clang="clang"
+ # Don't use -dumpversion with clang: it will always produce "4.2.1".
+ gcc_version=`${CC} --version | $SED -n -e 's/.*clang version \([0-9.]*\).*$/\1/p'`
+else
+ is_clang="notclang"
+ gcc_version=`${CC} -dumpversion 2>/dev/null`
+ if test "x$gcc_version" = x; then
+ gcc_version=`${CC} --version | $SED -n -e 's/[^ ]*gcc[^ ]* ([^)]*) \([0-9.]*\).*$/\1/p'`
+ fi
+fi
+]
+
+case "${is_clang}-${gcc_version}" in
+ notclang-3.*)
+ AC_MSG_RESULT([ok (${gcc_version})])
+ ;;
+ notclang-4.*)
+ AC_MSG_RESULT([ok (${gcc_version})])
+ ;;
+ clang-2.9|clang-3.*|clang-4.*)
+ AC_MSG_RESULT([ok (clang-${gcc_version})])
+ ;;
+ *)
+ AC_MSG_RESULT([no (${gcc_version})])
+ AC_MSG_ERROR([please use gcc >= 3.0 or clang >= 2.9])
+ ;;
+esac
+
+#----------------------------------------------------------------------------
+# Arch/OS/platform tests.
+#----------------------------------------------------------------------------
+# We create a number of arch/OS/platform-related variables. We prefix them
+# all with "VGCONF_" which indicates that they are defined at
+# configure-time, and distinguishes them from the VGA_*/VGO_*/VGP_*
+# variables used when compiling C files.
+
+AC_CANONICAL_HOST
+
+AC_MSG_CHECKING([for a supported CPU])
+
+# ARCH_MAX reflects the most that this CPU can do: for example if it
+# is a 64-bit capable PowerPC, then it must be set to ppc64 and not ppc32.
+# Ditto for amd64. It is used for more configuration below, but is not used
+# outside this file.
+case "${host_cpu}" in
+ i?86)
+ AC_MSG_RESULT([ok (${host_cpu})])
+ ARCH_MAX="x86"
+ ;;
+
+ x86_64)
+ AC_MSG_RESULT([ok (${host_cpu})])
+ ARCH_MAX="amd64"
+ ;;
+
+ powerpc64)
+ AC_MSG_RESULT([ok (${host_cpu})])
+ ARCH_MAX="ppc64"
+ ;;
+
+ powerpc)
+ # On Linux this means only a 32-bit capable CPU.
+ AC_MSG_RESULT([ok (${host_cpu})])
+ ARCH_MAX="ppc32"
+ ;;
+
+ s390x)
+ AC_MSG_RESULT([ok (${host_cpu})])
+ ARCH_MAX="s390x"
+ ;;
+
+ armv7*)
+ AC_MSG_RESULT([ok (${host_cpu})])
+ ARCH_MAX="arm"
+ ;;
+
+ mips)
+ AC_MSG_RESULT([ok (${host_cpu})])
+ ARCH_MAX="mips32"
+ ;;
+
+ mipsel)
+ AC_MSG_RESULT([ok (${host_cpu})])
+ ARCH_MAX="mips32"
+ ;;
+
+ mipsisa32r2)
+ AC_MSG_RESULT([ok (${host_cpu})])
+ ARCH_MAX="mips32"
+ ;;
+
+ mips64*)
+ AC_MSG_RESULT([ok (${host_cpu})])
+ ARCH_MAX="mips64"
+ ;;
+
+ mipsisa64*)
+ AC_MSG_RESULT([ok (${host_cpu})])
+ ARCH_MAX="mips64"
+ ;;
+ *)
+ AC_MSG_RESULT([no (${host_cpu})])
+ AC_MSG_ERROR([Unsupported host architecture. Sorry])
+ ;;
+esac
+
+#----------------------------------------------------------------------------
+
+# Sometimes it's convenient to subvert the bi-arch build system and
+# just have a single build even though the underlying platform is
+# capable of both. Hence handle --enable-only64bit and
+# --enable-only32bit. Complain if both are issued :-)
+# [Actually, if either of these options are used, I think both get built,
+# but only one gets installed. So if you use an in-place build, both can be
+# used. --njn]
+
+# Check if a 64-bit only build has been requested
+AC_CACHE_CHECK([for a 64-bit only build], vg_cv_only64bit,
+ [AC_ARG_ENABLE(only64bit,
+ [ --enable-only64bit do a 64-bit only build],
+ [vg_cv_only64bit=$enableval],
+ [vg_cv_only64bit=no])])
+
+# Check if a 32-bit only build has been requested
+AC_CACHE_CHECK([for a 32-bit only build], vg_cv_only32bit,
+ [AC_ARG_ENABLE(only32bit,
+ [ --enable-only32bit do a 32-bit only build],
+ [vg_cv_only32bit=$enableval],
+ [vg_cv_only32bit=no])])
+
+# Stay sane
+if test x$vg_cv_only64bit = xyes -a x$vg_cv_only32bit = xyes; then
+ AC_MSG_ERROR(
+ [Nonsensical: both --enable-only64bit and --enable-only32bit.])
+fi
+
+#----------------------------------------------------------------------------
+
+# VGCONF_OS is the primary build OS, eg. "linux". It is passed in to
+# compilation of many C files via -VGO_$(VGCONF_OS) and
+# -VGP_$(VGCONF_ARCH_PRI)_$(VGCONF_OS).
+AC_MSG_CHECKING([for a supported OS])
+AC_SUBST(VGCONF_OS)
+
+DEFAULT_SUPP=""
+
+case "${host_os}" in
+ *linux*)
+ AC_MSG_RESULT([ok (${host_os})])
+ VGCONF_OS="linux"
+
+ # Ok, this is linux. Check the kernel version
+ AC_MSG_CHECKING([for the kernel version])
+
+ kernel=`uname -r`
+
+ case "${kernel}" in
+ 2.6.*|3.*)
+ AC_MSG_RESULT([2.6.x/3.x family (${kernel})])
+ AC_DEFINE([KERNEL_2_6], 1, [Define to 1 if you're using Linux 2.6.x or Linux 3.x])
+ ;;
+
+ 2.4.*)
+ AC_MSG_RESULT([2.4 family (${kernel})])
+ AC_DEFINE([KERNEL_2_4], 1, [Define to 1 if you're using Linux 2.4.x])
+ ;;
+
+ *)
+ AC_MSG_RESULT([unsupported (${kernel})])
+ AC_MSG_ERROR([Valgrind works on kernels 2.4, 2.6])
+ ;;
+ esac
+
+ ;;
+
+ *darwin*)
+ AC_MSG_RESULT([ok (${host_os})])
+ VGCONF_OS="darwin"
+ AC_DEFINE([DARWIN_10_5], 100500, [DARWIN_VERS value for Mac OS X 10.5])
+ AC_DEFINE([DARWIN_10_6], 100600, [DARWIN_VERS value for Mac OS X 10.6])
+ AC_DEFINE([DARWIN_10_7], 100700, [DARWIN_VERS value for Mac OS X 10.7])
+ AC_DEFINE([DARWIN_10_8], 100800, [DARWIN_VERS value for Mac OS X 10.8])
+
+ AC_MSG_CHECKING([for the kernel version])
+ kernel=`uname -r`
+
+ # Nb: for Darwin we set DEFAULT_SUPP here. That's because Darwin
+ # has only one relevant version, the OS version. The `uname` check
+ # is a good way to get that version (i.e. "Darwin 9.6.0" is Mac OS
+ # X 10.5.6, and "Darwin 10.x" is Mac OS X 10.6.x Snow Leopard,
+ # and possibly "Darwin 11.x" is Mac OS X 10.7.x Lion),
+ # and we don't know of an macros similar to __GLIBC__ to get that info.
+ #
+ # XXX: `uname -r` won't do the right thing for cross-compiles, but
+ # that's not a problem yet.
+ #
+ # jseward 21 Sept 2011: I seriously doubt whether V 3.7.0 will work
+ # on OS X 10.5.x; I haven't tested yet, and only plan to test 3.7.0
+ # on 10.6.8 and 10.7.1. Although tempted to delete the configure
+ # time support for 10.5 (the 9.* pattern just below), I'll leave it
+ # in for now, just in case anybody wants to give it a try. But I'm
+ # assuming that 3.7.0 is a Snow Leopard and Lion-only release.
+ case "${kernel}" in
+ 9.*)
+ AC_MSG_RESULT([Darwin 9.x (${kernel}) / Mac OS X 10.5 Leopard])
+ AC_DEFINE([DARWIN_VERS], DARWIN_10_5, [Darwin / Mac OS X version])
+ DEFAULT_SUPP="darwin9.supp ${DEFAULT_SUPP}"
+ DEFAULT_SUPP="darwin9-drd.supp ${DEFAULT_SUPP}"
+ ;;
+ 10.*)
+ AC_MSG_RESULT([Darwin 10.x (${kernel}) / Mac OS X 10.6 Snow Leopard])
+ AC_DEFINE([DARWIN_VERS], DARWIN_10_6, [Darwin / Mac OS X version])
+ DEFAULT_SUPP="darwin10.supp ${DEFAULT_SUPP}"
+ DEFAULT_SUPP="darwin10-drd.supp ${DEFAULT_SUPP}"
+ ;;
+ 11.*)
+ AC_MSG_RESULT([Darwin 11.x (${kernel}) / Mac OS X 10.7 Lion])
+ AC_DEFINE([DARWIN_VERS], DARWIN_10_7, [Darwin / Mac OS X version])
+ DEFAULT_SUPP="darwin11.supp ${DEFAULT_SUPP}"
+ DEFAULT_SUPP="darwin10-drd.supp ${DEFAULT_SUPP}"
+ ;;
+ 12.*)
+ AC_MSG_RESULT([Darwin 12.x (${kernel}) / Mac OS X 10.8 Mountain Lion])
+ AC_DEFINE([DARWIN_VERS], DARWIN_10_8, [Darwin / Mac OS X version])
+ DEFAULT_SUPP="darwin12.supp ${DEFAULT_SUPP}"
+ DEFAULT_SUPP="darwin10-drd.supp ${DEFAULT_SUPP}"
+ ;;
+ *)
+ AC_MSG_RESULT([unsupported (${kernel})])
+ AC_MSG_ERROR([Valgrind works on Darwin 10.x and 11.x (Mac OS X 10.6/7)])
+ ;;
+ esac
+ ;;
+
+ *)
+ AC_MSG_RESULT([no (${host_os})])
+ AC_MSG_ERROR([Valgrind is operating system specific. Sorry.])
+ ;;
+esac
+
+#----------------------------------------------------------------------------
+
+# If we are building on a 64 bit platform test to see if the system
+# supports building 32 bit programs and disable 32 bit support if it
+# does not support building 32 bit programs
+
+case "$ARCH_MAX-$VGCONF_OS" in
+ amd64-linux|ppc64-linux)
+ AC_MSG_CHECKING([for 32 bit build support])
+ safe_CFLAGS=$CFLAGS
+ CFLAGS="-m32"
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[
+ return 0;
+ ]])], [
+ AC_MSG_RESULT([yes])
+ ], [
+ vg_cv_only64bit="yes"
+ AC_MSG_RESULT([no])
+ ])
+ CFLAGS=$safe_CFLAGS;;
+esac
+
+if test x$vg_cv_only64bit = xyes -a x$vg_cv_only32bit = xyes; then
+ AC_MSG_ERROR(
+ [--enable-only32bit was specified but system does not support 32 bit builds])
+fi
+
+#----------------------------------------------------------------------------
+
+# VGCONF_ARCH_PRI is the arch for the primary build target, eg. "amd64". By
+# default it's the same as ARCH_MAX. But if, say, we do a build on an amd64
+# machine, but --enable-only32bit has been requested, then ARCH_MAX (see
+# above) will be "amd64" since that reflects the most that this cpu can do,
+# but VGCONF_ARCH_PRI will be downgraded to "x86", since that reflects the
+# arch corresponding to the primary build (VGCONF_PLATFORM_PRI_CAPS). It is
+# passed in to compilation of many C files via -VGA_$(VGCONF_ARCH_PRI) and
+# -VGP_$(VGCONF_ARCH_PRI)_$(VGCONF_OS).
+AC_SUBST(VGCONF_ARCH_PRI)
+
+# VGCONF_ARCH_SEC is the arch for the secondary build target, eg. "x86".
+# It is passed in to compilation of many C files via -VGA_$(VGCONF_ARCH_SEC)
+# and -VGP_$(VGCONF_ARCH_SEC)_$(VGCONF_OS), if there is a secondary target.
+# It is empty if there is no secondary target.
+AC_SUBST(VGCONF_ARCH_SEC)
+
+# VGCONF_PLATFORM_PRI_CAPS is the primary build target, eg. "AMD64_LINUX".
+# The entire system, including regression and performance tests, will be
+# built for this target. The "_CAPS" indicates that the name is in capital
+# letters, and it also uses '_' rather than '-' as a separator, because it's
+# used to create various Makefile variables, which are all in caps by
+# convention and cannot contain '-' characters. This is in contrast to
+# VGCONF_ARCH_PRI and VGCONF_OS which are not in caps.
+AC_SUBST(VGCONF_PLATFORM_PRI_CAPS)
+
+# VGCONF_PLATFORM_SEC_CAPS is the secondary build target, if there is one.
+# Valgrind and tools will also be built for this target, but not the
+# regression or performance tests.
+#
+# By default, the primary arch is the same as the "max" arch, as commented
+# above (at the definition of ARCH_MAX). We may choose to downgrade it in
+# the big case statement just below here, in the case where we're building
+# on a 64 bit machine but have been requested only to do a 32 bit build.
+AC_SUBST(VGCONF_PLATFORM_SEC_CAPS)
+
+AC_MSG_CHECKING([for a supported CPU/OS combination])
+
+# NB. The load address for a given platform may be specified in more
+# than one place, in some cases, depending on whether we're doing a biarch,
+# 32-bit only or 64-bit only build. eg see case for amd64-linux below.
+# Be careful to give consistent values in all subcases. Also, all four
+# valt_load_addres_{pri,sec}_{norml,inner} values must always be set,
+# even if it is to "0xUNSET".
+#
+case "$ARCH_MAX-$VGCONF_OS" in
+ x86-linux)
+ VGCONF_ARCH_PRI="x86"
+ VGCONF_ARCH_SEC=""
+ VGCONF_PLATFORM_PRI_CAPS="X86_LINUX"
+ VGCONF_PLATFORM_SEC_CAPS=""
+ valt_load_address_pri_norml="0x38000000"
+ valt_load_address_pri_inner="0x28000000"
+ valt_load_address_sec_norml="0xUNSET"
+ valt_load_address_sec_inner="0xUNSET"
+ AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
+ ;;
+ amd64-linux)
+ valt_load_address_sec_norml="0xUNSET"
+ valt_load_address_sec_inner="0xUNSET"
+ if test x$vg_cv_only64bit = xyes; then
+ VGCONF_ARCH_PRI="amd64"
+ VGCONF_ARCH_SEC=""
+ VGCONF_PLATFORM_PRI_CAPS="AMD64_LINUX"
+ VGCONF_PLATFORM_SEC_CAPS=""
+ valt_load_address_pri_norml="0x38000000"
+ valt_load_address_pri_inner="0x28000000"
+ elif test x$vg_cv_only32bit = xyes; then
+ VGCONF_ARCH_PRI="x86"
+ VGCONF_ARCH_SEC=""
+ VGCONF_PLATFORM_PRI_CAPS="X86_LINUX"
+ VGCONF_PLATFORM_SEC_CAPS=""
+ valt_load_address_pri_norml="0x38000000"
+ valt_load_address_pri_inner="0x28000000"
+ else
+ VGCONF_ARCH_PRI="amd64"
+ VGCONF_ARCH_SEC="x86"
+ VGCONF_PLATFORM_PRI_CAPS="AMD64_LINUX"
+ VGCONF_PLATFORM_SEC_CAPS="X86_LINUX"
+ valt_load_address_pri_norml="0x38000000"
+ valt_load_address_pri_inner="0x28000000"
+ valt_load_address_sec_norml="0x38000000"
+ valt_load_address_sec_inner="0x28000000"
+ fi
+ AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
+ ;;
+ ppc32-linux)
+ VGCONF_ARCH_PRI="ppc32"
+ VGCONF_ARCH_SEC=""
+ VGCONF_PLATFORM_PRI_CAPS="PPC32_LINUX"
+ VGCONF_PLATFORM_SEC_CAPS=""
+ valt_load_address_pri_norml="0x38000000"
+ valt_load_address_pri_inner="0x28000000"
+ valt_load_address_sec_norml="0xUNSET"
+ valt_load_address_sec_inner="0xUNSET"
+ AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
+ ;;
+ ppc64-linux)
+ valt_load_address_sec_norml="0xUNSET"
+ valt_load_address_sec_inner="0xUNSET"
+ if test x$vg_cv_only64bit = xyes; then
+ VGCONF_ARCH_PRI="ppc64"
+ VGCONF_ARCH_SEC=""
+ VGCONF_PLATFORM_PRI_CAPS="PPC64_LINUX"
+ VGCONF_PLATFORM_SEC_CAPS=""
+ valt_load_address_pri_norml="0x38000000"
+ valt_load_address_pri_inner="0x28000000"
+ elif test x$vg_cv_only32bit = xyes; then
+ VGCONF_ARCH_PRI="ppc32"
+ VGCONF_ARCH_SEC=""
+ VGCONF_PLATFORM_PRI_CAPS="PPC32_LINUX"
+ VGCONF_PLATFORM_SEC_CAPS=""
+ valt_load_address_pri_norml="0x38000000"
+ valt_load_address_pri_inner="0x28000000"
+ else
+ VGCONF_ARCH_PRI="ppc64"
+ VGCONF_ARCH_SEC="ppc32"
+ VGCONF_PLATFORM_PRI_CAPS="PPC64_LINUX"
+ VGCONF_PLATFORM_SEC_CAPS="PPC32_LINUX"
+ valt_load_address_pri_norml="0x38000000"
+ valt_load_address_pri_inner="0x28000000"
+ valt_load_address_sec_norml="0x38000000"
+ valt_load_address_sec_inner="0x28000000"
+ fi
+ AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
+ ;;
+ # Darwin gets identified as 32-bit even when it supports 64-bit.
+ # (Not sure why, possibly because 'uname' returns "i386"?) Just about
+ # all Macs support both 32-bit and 64-bit, so we just build both. If
+ # someone has a really old 32-bit only machine they can (hopefully?)
+ # build with --enable-only32bit. See bug 243362.
+ x86-darwin|amd64-darwin)
+ ARCH_MAX="amd64"
+ valt_load_address_sec_norml="0xUNSET"
+ valt_load_address_sec_inner="0xUNSET"
+ if test x$vg_cv_only64bit = xyes; then
+ VGCONF_ARCH_PRI="amd64"
+ VGCONF_ARCH_SEC=""
+ VGCONF_PLATFORM_PRI_CAPS="AMD64_DARWIN"
+ VGCONF_PLATFORM_SEC_CAPS=""
+ valt_load_address_pri_norml="0x138000000"
+ valt_load_address_pri_inner="0x128000000"
+ elif test x$vg_cv_only32bit = xyes; then
+ VGCONF_ARCH_PRI="x86"
+ VGCONF_ARCH_SEC=""
+ VGCONF_PLATFORM_PRI_CAPS="X86_DARWIN"
+ VGCONF_PLATFORM_SEC_CAPS=""
+ VGCONF_ARCH_PRI_CAPS="x86"
+ valt_load_address_pri_norml="0x38000000"
+ valt_load_address_pri_inner="0x28000000"
+ else
+ VGCONF_ARCH_PRI="amd64"
+ VGCONF_ARCH_SEC="x86"
+ VGCONF_PLATFORM_PRI_CAPS="AMD64_DARWIN"
+ VGCONF_PLATFORM_SEC_CAPS="X86_DARWIN"
+ valt_load_address_pri_norml="0x138000000"
+ valt_load_address_pri_inner="0x128000000"
+ valt_load_address_sec_norml="0x38000000"
+ valt_load_address_sec_inner="0x28000000"
+ fi
+ AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
+ ;;
+ arm-linux)
+ VGCONF_ARCH_PRI="arm"
+ VGCONF_PLATFORM_PRI_CAPS="ARM_LINUX"
+ VGCONF_PLATFORM_SEC_CAPS=""
+ valt_load_address_pri_norml="0x38000000"
+ valt_load_address_pri_inner="0x28000000"
+ valt_load_address_sec_norml="0xUNSET"
+ valt_load_address_sec_inner="0xUNSET"
+ AC_MSG_RESULT([ok (${host_cpu}-${host_os})])
+ ;;
+ s390x-linux)
+ VGCONF_ARCH_PRI="s390x"
+ VGCONF_ARCH_SEC=""
+ VGCONF_PLATFORM_PRI_CAPS="S390X_LINUX"
+ VGCONF_PLATFORM_SEC_CAPS=""
+ # we want to have the generated code close to the dispatcher
+ valt_load_address_pri_norml="0x401000000"
+ valt_load_address_pri_inner="0x410000000"
+ valt_load_address_sec_norml="0xUNSET"
+ valt_load_address_sec_inner="0xUNSET"
+ AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
+ ;;
+ mips32-linux)
+ VGCONF_ARCH_PRI="mips32"
+ VGCONF_PLATFORM_PRI_CAPS="MIPS32_LINUX"
+ VGCONF_PLATFORM_SEC_CAPS=""
+ valt_load_address_pri_norml="0x38000000"
+ valt_load_address_pri_inner="0x28000000"
+ valt_load_address_sec_norml="0xUNSET"
+ valt_load_address_sec_inner="0xUNSET"
+ AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
+ ;;
+ mips64-linux)
+ VGCONF_ARCH_PRI="mips64"
+ VGCONF_PLATFORM_PRI_CAPS="MIPS64_LINUX"
+ VGCONF_PLATFORM_SEC_CAPS=""
+ valt_load_address_pri_norml="0x38000000"
+ valt_load_address_pri_inner="0x28000000"
+ valt_load_address_sec_norml="0xUNSET"
+ valt_load_address_sec_inner="0xUNSET"
+ AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
+ ;;
+ *)
+ VGCONF_ARCH_PRI="unknown"
+ VGCONF_ARCH_SEC="unknown"
+ VGCONF_PLATFORM_PRI_CAPS="UNKNOWN"
+ VGCONF_PLATFORM_SEC_CAPS="UNKNOWN"
+ valt_load_address_pri_norml="0xUNSET"
+ valt_load_address_pri_inner="0xUNSET"
+ valt_load_address_sec_norml="0xUNSET"
+ valt_load_address_sec_inner="0xUNSET"
+ AC_MSG_RESULT([no (${ARCH_MAX}-${VGCONF_OS})])
+ AC_MSG_ERROR([Valgrind is platform specific. Sorry. Please consider doing a port.])
+ ;;
+esac
+
+#----------------------------------------------------------------------------
+
+# Set up VGCONF_ARCHS_INCLUDE_<arch>. Either one or two of these become
+# defined.
+AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_X86,
+ test x$VGCONF_PLATFORM_PRI_CAPS = xX86_LINUX \
+ -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_LINUX \
+ -o x$VGCONF_PLATFORM_PRI_CAPS = xX86_DARWIN \
+ -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_DARWIN )
+AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_AMD64,
+ test x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_LINUX \
+ -o x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_DARWIN )
+AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_PPC32,
+ test x$VGCONF_PLATFORM_PRI_CAPS = xPPC32_LINUX \
+ -o x$VGCONF_PLATFORM_SEC_CAPS = xPPC32_LINUX )
+AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_PPC64,
+ test x$VGCONF_PLATFORM_PRI_CAPS = xPPC64_LINUX )
+AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_ARM,
+ test x$VGCONF_PLATFORM_PRI_CAPS = xARM_LINUX )
+AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_S390X,
+ test x$VGCONF_PLATFORM_PRI_CAPS = xS390X_LINUX )
+AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_MIPS32,
+ test x$VGCONF_PLATFORM_PRI_CAPS = xMIPS32_LINUX )
+AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_MIPS64,
+ test x$VGCONF_PLATFORM_PRI_CAPS = xMIPS64_LINUX )
+
+# Set up VGCONF_PLATFORMS_INCLUDE_<platform>. Either one or two of these
+# become defined.
+AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_X86_LINUX,
+ test x$VGCONF_PLATFORM_PRI_CAPS = xX86_LINUX \
+ -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_LINUX)
+AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_AMD64_LINUX,
+ test x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_LINUX)
+AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_PPC32_LINUX,
+ test x$VGCONF_PLATFORM_PRI_CAPS = xPPC32_LINUX \
+ -o x$VGCONF_PLATFORM_SEC_CAPS = xPPC32_LINUX)
+AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_PPC64_LINUX,
+ test x$VGCONF_PLATFORM_PRI_CAPS = xPPC64_LINUX)
+AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_ARM_LINUX,
+ test x$VGCONF_PLATFORM_PRI_CAPS = xARM_LINUX)
+AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_S390X_LINUX,
+ test x$VGCONF_PLATFORM_PRI_CAPS = xS390X_LINUX \
+ -o x$VGCONF_PLATFORM_SEC_CAPS = xS390X_LINUX)
+AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_MIPS32_LINUX,
+ test x$VGCONF_PLATFORM_PRI_CAPS = xMIPS32_LINUX)
+AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_MIPS64_LINUX,
+ test x$VGCONF_PLATFORM_PRI_CAPS = xMIPS64_LINUX)
+
+AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_X86_DARWIN,
+ test x$VGCONF_PLATFORM_PRI_CAPS = xX86_DARWIN \
+ -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_DARWIN)
+AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_AMD64_DARWIN,
+ test x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_DARWIN)
+
+
+# Similarly, set up VGCONF_OS_IS_<os>. Exactly one of these becomes defined.
+# Relies on the assumption that the primary and secondary targets are
+# for the same OS, so therefore only necessary to test the primary.
+AM_CONDITIONAL(VGCONF_OS_IS_LINUX,
+ test x$VGCONF_PLATFORM_PRI_CAPS = xX86_LINUX \
+ -o x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_LINUX \
+ -o x$VGCONF_PLATFORM_PRI_CAPS = xPPC32_LINUX \
+ -o x$VGCONF_PLATFORM_PRI_CAPS = xPPC64_LINUX \
+ -o x$VGCONF_PLATFORM_PRI_CAPS = xARM_LINUX \
+ -o x$VGCONF_PLATFORM_PRI_CAPS = xS390X_LINUX \
+ -o x$VGCONF_PLATFORM_PRI_CAPS = xMIPS32_LINUX \
+ -o x$VGCONF_PLATFORM_PRI_CAPS = xMIPS64_LINUX)
+AM_CONDITIONAL(VGCONF_OS_IS_DARWIN,
+ test x$VGCONF_PLATFORM_PRI_CAPS = xX86_DARWIN \
+ -o x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_DARWIN)
+
+
+# Sometimes, in the Makefile.am files, it's useful to know whether or not
+# there is a secondary target.
+AM_CONDITIONAL(VGCONF_HAVE_PLATFORM_SEC,
+ test x$VGCONF_PLATFORM_SEC_CAPS != x)
+
+dnl automake-1.10 does not have AM_COND_IF (added in 1.11), so we supply a
+dnl fallback definition
+dnl The macro is courtesy of Dave Hart:
+dnl https://lists.gnu.org/archive/html/automake/2010-12/msg00045.html
+m4_ifndef([AM_COND_IF], [AC_DEFUN([AM_COND_IF], [
+if test -z "$$1_TRUE"; then :
+ m4_n([$2])[]dnl
+m4_ifval([$3],
+[else
+ $3
+])dnl
+fi[]dnl
+])])
+
+#----------------------------------------------------------------------------
+# Inner Valgrind?
+#----------------------------------------------------------------------------
+
+# Check if this should be built as an inner Valgrind, to be run within
+# another Valgrind. Choose the load address accordingly.
+AC_SUBST(VALT_LOAD_ADDRESS_PRI)
+AC_SUBST(VALT_LOAD_ADDRESS_SEC)
+AC_CACHE_CHECK([for use as an inner Valgrind], vg_cv_inner,
+ [AC_ARG_ENABLE(inner,
+ [ --enable-inner enables self-hosting],
+ [vg_cv_inner=$enableval],
+ [vg_cv_inner=no])])
+if test "$vg_cv_inner" = yes; then
+ AC_DEFINE([ENABLE_INNER], 1, [configured to run as an inner Valgrind])
+ VALT_LOAD_ADDRESS_PRI=$valt_load_address_pri_inner
+ VALT_LOAD_ADDRESS_SEC=$valt_load_address_sec_inner
+else
+ VALT_LOAD_ADDRESS_PRI=$valt_load_address_pri_norml
+ VALT_LOAD_ADDRESS_SEC=$valt_load_address_sec_norml
+fi
+
+
+#----------------------------------------------------------------------------
+# Define MIPS_PAGE_SHIFT (--with-pagesize)
+#----------------------------------------------------------------------------
+AC_ARG_WITH(pagesize,
+ [ --with-pagesize= override detected page size (4, 16 or 64)],
+ [psize=$withval],
+ [psize=0]
+)
+
+if test "$psize" = "0"; then
+ psizer=`getconf PAGESIZE`
+ let "psize=${psizer}/1024"
+fi
+
+if test "$psize" = "4"; then
+ AC_DEFINE([MIPS_PAGE_SHIFT], 12, [configured page size 4k])
+elif test "$psize" = "16"; then
+ AC_DEFINE([MIPS_PAGE_SHIFT], 14, [configured page size 16k])
+elif test "$psize" = "64"; then
+ AC_DEFINE([MIPS_PAGE_SHIFT], 16, [configured page size 64k])
+else
+ AC_DEFINE([MIPS_PAGE_SHIFT], 12, [configured default page size 4k])
+fi
+AC_MSG_RESULT([checking for Pagesize... ${psize}k])
+
+
+#----------------------------------------------------------------------------
+# Extra fine-tuning of installation directories
+#----------------------------------------------------------------------------
+AC_ARG_WITH(tmpdir,
+ [ --with-tmpdir=PATH Specify path for temporary files],
+ tmpdir="$withval",
+ tmpdir="/tmp")
+AC_DEFINE_UNQUOTED(VG_TMPDIR, "$tmpdir", [Temporary files directory])
+
+
+#----------------------------------------------------------------------------
+# Libc and suppressions
+#----------------------------------------------------------------------------
+# This variable will collect the suppression files to be used.
+AC_SUBST(DEFAULT_SUPP)
+
+AC_CHECK_HEADER([features.h])
+
+if test x$ac_cv_header_features_h = xyes; then
+ rm -f conftest.$ac_ext
+ cat <<_ACEOF >conftest.$ac_ext
+#include <features.h>
+#if defined(__GNU_LIBRARY__) && defined(__GLIBC__) && defined(__GLIBC_MINOR__)
+glibc version is: __GLIBC__ __GLIBC_MINOR__
+#endif
+_ACEOF
+ GLIBC_VERSION="`$CPP conftest.$ac_ext | $SED -n 's/^glibc version is: //p' | $SED 's/ /./g'`"
+fi
+
+# not really a version check
+AC_EGREP_CPP([DARWIN_LIBC], [
+#include <sys/cdefs.h>
+#if defined(__DARWIN_VERS_1050)
+ DARWIN_LIBC
+#endif
+],
+GLIBC_VERSION="darwin")
+
+# not really a version check
+AC_EGREP_CPP([BIONIC_LIBC], [
+#if defined(__ANDROID__)
+ BIONIC_LIBC
+#endif
+],
+GLIBC_VERSION="bionic")
+
+
+AC_MSG_CHECKING([the GLIBC_VERSION version])
+
+case "${GLIBC_VERSION}" in
+ 2.2)
+ AC_MSG_RESULT(2.2 family)
+ AC_DEFINE([GLIBC_2_2], 1, [Define to 1 if you're using glibc 2.2.x])
+ DEFAULT_SUPP="glibc-2.2.supp ${DEFAULT_SUPP}"
+ DEFAULT_SUPP="glibc-2.2-LinuxThreads-helgrind.supp ${DEFAULT_SUPP}"
+ DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
+ ;;
+
+ 2.3)
+ AC_MSG_RESULT(2.3 family)
+ AC_DEFINE([GLIBC_2_3], 1, [Define to 1 if you're using glibc 2.3.x])
+ DEFAULT_SUPP="glibc-2.3.supp ${DEFAULT_SUPP}"
+ DEFAULT_SUPP="glibc-2.34567-NPTL-helgrind.supp ${DEFAULT_SUPP}"
+ DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
+ ;;
+
+ 2.4)
+ AC_MSG_RESULT(2.4 family)
+ AC_DEFINE([GLIBC_2_4], 1, [Define to 1 if you're using glibc 2.4.x])
+ DEFAULT_SUPP="glibc-2.4.supp ${DEFAULT_SUPP}"
+ DEFAULT_SUPP="glibc-2.34567-NPTL-helgrind.supp ${DEFAULT_SUPP}"
+ DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
+ ;;
+
+ 2.5)
+ AC_MSG_RESULT(2.5 family)
+ AC_DEFINE([GLIBC_2_5], 1, [Define to 1 if you're using glibc 2.5.x])
+ DEFAULT_SUPP="glibc-2.5.supp ${DEFAULT_SUPP}"
+ DEFAULT_SUPP="glibc-2.34567-NPTL-helgrind.supp ${DEFAULT_SUPP}"
+ DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
+ ;;
+ 2.6)
+ AC_MSG_RESULT(2.6 family)
+ AC_DEFINE([GLIBC_2_6], 1, [Define to 1 if you're using glibc 2.6.x])
+ DEFAULT_SUPP="glibc-2.6.supp ${DEFAULT_SUPP}"
+ DEFAULT_SUPP="glibc-2.34567-NPTL-helgrind.supp ${DEFAULT_SUPP}"
+ DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
+ ;;
+ 2.7)
+ AC_MSG_RESULT(2.7 family)
+ AC_DEFINE([GLIBC_2_7], 1, [Define to 1 if you're using glibc 2.7.x])
+ DEFAULT_SUPP="glibc-2.X.supp ${DEFAULT_SUPP}"
+ DEFAULT_SUPP="glibc-2.34567-NPTL-helgrind.supp ${DEFAULT_SUPP}"
+ DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
+ ;;
+ 2.8)
+ AC_MSG_RESULT(2.8 family)
+ AC_DEFINE([GLIBC_2_8], 1, [Define to 1 if you're using glibc 2.8.x])
+ DEFAULT_SUPP="glibc-2.X.supp ${DEFAULT_SUPP}"
+ DEFAULT_SUPP="glibc-2.34567-NPTL-helgrind.supp ${DEFAULT_SUPP}"
+ DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
+ ;;
+ 2.9)
+ AC_MSG_RESULT(2.9 family)
+ AC_DEFINE([GLIBC_2_9], 1, [Define to 1 if you're using glibc 2.9.x])
+ DEFAULT_SUPP="glibc-2.X.supp ${DEFAULT_SUPP}"
+ DEFAULT_SUPP="glibc-2.34567-NPTL-helgrind.supp ${DEFAULT_SUPP}"
+ DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
+ ;;
+ 2.10)
+ AC_MSG_RESULT(2.10 family)
+ AC_DEFINE([GLIBC_2_10], 1, [Define to 1 if you're using glibc 2.10.x])
+ DEFAULT_SUPP="glibc-2.X.supp ${DEFAULT_SUPP}"
+ DEFAULT_SUPP="glibc-2.34567-NPTL-helgrind.supp ${DEFAULT_SUPP}"
+ DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
+ ;;
+ 2.11)
+ AC_MSG_RESULT(2.11 family)
+ AC_DEFINE([GLIBC_2_11], 1, [Define to 1 if you're using glibc 2.11.x])
+ DEFAULT_SUPP="glibc-2.X.supp ${DEFAULT_SUPP}"
+ DEFAULT_SUPP="glibc-2.34567-NPTL-helgrind.supp ${DEFAULT_SUPP}"
+ DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
+ ;;
+ 2.12)
+ AC_MSG_RESULT(2.12 family)
+ AC_DEFINE([GLIBC_2_12], 1, [Define to 1 if you're using glibc 2.12.x])
+ DEFAULT_SUPP="glibc-2.X.supp ${DEFAULT_SUPP}"
+ DEFAULT_SUPP="glibc-2.34567-NPTL-helgrind.supp ${DEFAULT_SUPP}"
+ DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
+ ;;
+ 2.13)
+ AC_MSG_RESULT(2.13 family)
+ AC_DEFINE([GLIBC_2_13], 1, [Define to 1 if you're using glibc 2.13.x])
+ DEFAULT_SUPP="glibc-2.X.supp ${DEFAULT_SUPP}"
+ DEFAULT_SUPP="glibc-2.34567-NPTL-helgrind.supp ${DEFAULT_SUPP}"
+ DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
+ ;;
+ 2.14)
+ AC_MSG_RESULT(2.14 family)
+ AC_DEFINE([GLIBC_2_14], 1, [Define to 1 if you're using glibc 2.14.x])
+ DEFAULT_SUPP="glibc-2.X.supp ${DEFAULT_SUPP}"
+ DEFAULT_SUPP="glibc-2.34567-NPTL-helgrind.supp ${DEFAULT_SUPP}"
+ DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
+ ;;
+ 2.15)
+ AC_MSG_RESULT(2.15 family)
+ AC_DEFINE([GLIBC_2_15], 1, [Define to 1 if you're using glibc 2.15.x])
+ DEFAULT_SUPP="glibc-2.X.supp ${DEFAULT_SUPP}"
+ DEFAULT_SUPP="glibc-2.34567-NPTL-helgrind.supp ${DEFAULT_SUPP}"
+ DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
+ ;;
+ 2.16)
+ AC_MSG_RESULT(2.16 family)
+ AC_DEFINE([GLIBC_2_16], 1, [Define to 1 if you're using glibc 2.16.x])
+ DEFAULT_SUPP="glibc-2.X.supp ${DEFAULT_SUPP}"
+ DEFAULT_SUPP="glibc-2.34567-NPTL-helgrind.supp ${DEFAULT_SUPP}"
+ DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
+ ;;
+ 2.17)
+ AC_MSG_RESULT(2.17 family)
+ AC_DEFINE([GLIBC_2_17], 1, [Define to 1 if you're using glibc 2.17.x])
+ DEFAULT_SUPP="glibc-2.X.supp ${DEFAULT_SUPP}"
+ DEFAULT_SUPP="glibc-2.34567-NPTL-helgrind.supp ${DEFAULT_SUPP}"
+ DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
+ ;;
+ 2.18)
+ AC_MSG_RESULT(2.18 family)
+ AC_DEFINE([GLIBC_2_18], 1, [Define to 1 if you're using glibc 2.18.x])
+ DEFAULT_SUPP="glibc-2.X.supp ${DEFAULT_SUPP}"
+ DEFAULT_SUPP="glibc-2.34567-NPTL-helgrind.supp ${DEFAULT_SUPP}"
+ DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
+ ;;
+ darwin)
+ AC_MSG_RESULT(Darwin)
+ AC_DEFINE([DARWIN_LIBC], 1, [Define to 1 if you're using Darwin])
+ # DEFAULT_SUPP set by kernel version check above.
+ ;;
+ bionic)
+ AC_MSG_RESULT(Bionic)
+ AC_DEFINE([BIONIC_LIBC], 1, [Define to 1 if you're using Bionic])
+ DEFAULT_SUPP="bionic.supp ${DEFAULT_SUPP}"
+ ;;
+
+ *)
+ AC_MSG_RESULT([unsupported version ${GLIBC_VERSION}])
+ AC_MSG_ERROR([Valgrind requires glibc version 2.2 - 2.17])
+ AC_MSG_ERROR([or Darwin libc])
+ ;;
+esac
+
+AC_SUBST(GLIBC_VERSION)
+
+
+# Add default suppressions for the X client libraries. Make no
+# attempt to detect whether such libraries are installed on the
+# build machine (or even if any X facilities are present); just
+# add the suppressions antidisirregardless.
+DEFAULT_SUPP="xfree-4.supp ${DEFAULT_SUPP}"
+DEFAULT_SUPP="xfree-3.supp ${DEFAULT_SUPP}"
+
+# Add glibc and X11 suppressions for exp-sgcheck
+DEFAULT_SUPP="exp-sgcheck.supp ${DEFAULT_SUPP}"
+
+
+#----------------------------------------------------------------------------
+# Platform variants?
+#----------------------------------------------------------------------------
+
+# Normally the PLAT = (ARCH, OS) characterisation of the platform is enough.
+# But there are times where we need a bit more control. The motivating
+# and currently only case is Android: this is almost identical to
+# {x86,arm}-linux, but not quite. So this introduces the concept of platform
+# variant tags, which get passed in the compile as -DVGPV_<arch>_<os>_<variant>
+# along with the main -DVGP_<arch>_<os> definition.
+#
+# In almost all cases, the <variant> bit is "vanilla". But for Android
+# it is "android" instead.
+#
+# Consequently (eg), plain arm-linux would build with
+#
+# -DVGP_arm_linux -DVGPV_arm_linux_vanilla
+#
+# whilst an Android build would have
+#
+# -DVGP_arm_linux -DVGPV_arm_linux_android
+#
+# Same for x86. The setup of the platform variant is pushed relatively far
+# down this file in order that we can inspect any of the variables set above.
+
+# In the normal case ..
+VGCONF_PLATVARIANT="vanilla"
+
+# Android ?
+if test "$GLIBC_VERSION" = "bionic";
+then
+ VGCONF_PLATVARIANT="android"
+fi
+
+AC_SUBST(VGCONF_PLATVARIANT)
+
+
+# FIXME: do we also want to define automake variables
+# VGCONF_PLATVARIANT_IS_<WHATEVER>, where WHATEVER is (currently)
+# VANILLA or ANDROID ? This would be in the style of VGCONF_ARCHS_INCLUDE,
+# VGCONF_PLATFORMS_INCLUDE and VGCONF_OS_IS above? Could easily enough
+# do that. Problem is that we can't do and-ing in Makefile.am's, but
+# that's what we'd need to do to use this, since what we'd want to write
+# is something like
+#
+# VGCONF_PLATFORMS_INCLUDE_ARM_LINUX && VGCONF_PLATVARIANT_IS_ANDROID
+#
+# Hmm. Can't think of a nice clean solution to this.
+
+AM_CONDITIONAL(VGCONF_PLATVARIANT_IS_VANILLA,
+ test x$VGCONF_PLATVARIANT = xvanilla)
+AM_CONDITIONAL(VGCONF_PLATVARIANT_IS_ANDROID,
+ test x$VGCONF_PLATVARIANT = xandroid)
+
+
+#----------------------------------------------------------------------------
+# Checking for various library functions and other definitions
+#----------------------------------------------------------------------------
+
+# Check for AT_FDCWD
+
+AC_MSG_CHECKING([for AT_FDCWD])
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#define _GNU_SOURCE
+#include <fcntl.h>
+#include <unistd.h>
+]], [[
+ int a = AT_FDCWD;
+]])], [
+ac_have_at_fdcwd=yes
+AC_MSG_RESULT([yes])
+], [
+ac_have_at_fdcwd=no
+AC_MSG_RESULT([no])
+])
+
+AM_CONDITIONAL([HAVE_AT_FDCWD], [test x$ac_have_at_fdcwd = xyes])
+
+# Check for stpncpy function definition in string.h
+# This explicitly checks with _GNU_SOURCE defined since that is also
+# used in the test case (some systems might define it without anyway
+# since stpncpy is part of The Open Group Base Specifications Issue 7
+# IEEE Std 1003.1-2008.
+AC_MSG_CHECKING([for stpncpy])
+AC_LINK_IFELSE([AC_LANG_PROGRAM([[
+#define _GNU_SOURCE
+#include <string.h>
+]], [[
+ char *d;
+ char *s;
+ size_t n = 0;
+ char *r = stpncpy(d, s, n);
+]])], [
+ac_have_gnu_stpncpy=yes
+AC_MSG_RESULT([yes])
+], [
+ac_have_gnu_stpncpy=no
+AC_MSG_RESULT([no])
+])
+
+AM_CONDITIONAL([HAVE_GNU_STPNCPY], [test x$ac_have_gnu_stpncpy = xyes])
+
+# Check for PTRACE_GETREGS
+
+AC_MSG_CHECKING([for PTRACE_GETREGS])
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#include <stddef.h>
+#include <sys/ptrace.h>
+#include <sys/user.h>
+]], [[
+ void *p;
+ long res = ptrace (PTRACE_GETREGS, 0, p, p);
+]])], [
+AC_MSG_RESULT([yes])
+AC_DEFINE([HAVE_PTRACE_GETREGS], 1,
+ [Define to 1 if you have the `PTRACE_GETREGS' ptrace request.])
+], [
+AC_MSG_RESULT([no])
+])
+
+
+# Check for CLOCK_MONOTONIC
+
+AC_MSG_CHECKING([for CLOCK_MONOTONIC])
+
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#include <time.h>
+]], [[
+ struct timespec t;
+ clock_gettime(CLOCK_MONOTONIC, &t);
+ return 0;
+]])], [
+AC_MSG_RESULT([yes])
+AC_DEFINE([HAVE_CLOCK_MONOTONIC], 1,
+ [Define to 1 if you have the `CLOCK_MONOTONIC' constant.])
+], [
+AC_MSG_RESULT([no])
+])
+
+
+# Check for PTHREAD_RWLOCK_T
+
+AC_MSG_CHECKING([for pthread_rwlock_t])
+
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#define _GNU_SOURCE
+#include <pthread.h>
+]], [[
+ pthread_rwlock_t rwl;
+]])], [
+AC_MSG_RESULT([yes])
+AC_DEFINE([HAVE_PTHREAD_RWLOCK_T], 1,
+ [Define to 1 if you have the `pthread_rwlock_t' type.])
+], [
+AC_MSG_RESULT([no])
+])
+
+
+# Check for PTHREAD_MUTEX_ADAPTIVE_NP
+
+AC_MSG_CHECKING([for PTHREAD_MUTEX_ADAPTIVE_NP])
+
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#define _GNU_SOURCE
+#include <pthread.h>
+]], [[
+ return (PTHREAD_MUTEX_ADAPTIVE_NP);
+]])], [
+AC_MSG_RESULT([yes])
+AC_DEFINE([HAVE_PTHREAD_MUTEX_ADAPTIVE_NP], 1,
+ [Define to 1 if you have the `PTHREAD_MUTEX_ADAPTIVE_NP' constant.])
+], [
+AC_MSG_RESULT([no])
+])
+
+
+# Check for PTHREAD_MUTEX_ERRORCHECK_NP
+
+AC_MSG_CHECKING([for PTHREAD_MUTEX_ERRORCHECK_NP])
+
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#define _GNU_SOURCE
+#include <pthread.h>
+]], [[
+ return (PTHREAD_MUTEX_ERRORCHECK_NP);
+]])], [
+AC_MSG_RESULT([yes])
+AC_DEFINE([HAVE_PTHREAD_MUTEX_ERRORCHECK_NP], 1,
+ [Define to 1 if you have the `PTHREAD_MUTEX_ERRORCHECK_NP' constant.])
+], [
+AC_MSG_RESULT([no])
+])
+
+
+# Check for PTHREAD_MUTEX_RECURSIVE_NP
+
+AC_MSG_CHECKING([for PTHREAD_MUTEX_RECURSIVE_NP])
+
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#define _GNU_SOURCE
+#include <pthread.h>
+]], [[
+ return (PTHREAD_MUTEX_RECURSIVE_NP);
+]])], [
+AC_MSG_RESULT([yes])
+AC_DEFINE([HAVE_PTHREAD_MUTEX_RECURSIVE_NP], 1,
+ [Define to 1 if you have the `PTHREAD_MUTEX_RECURSIVE_NP' constant.])
+], [
+AC_MSG_RESULT([no])
+])
+
+
+# Check for PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP
+
+AC_MSG_CHECKING([for PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP])
+
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#define _GNU_SOURCE
+#include <pthread.h>
+]], [[
+ pthread_mutex_t m = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;
+ return 0;
+]])], [
+AC_MSG_RESULT([yes])
+AC_DEFINE([HAVE_PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP], 1,
+ [Define to 1 if you have the `PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP' constant.])
+], [
+AC_MSG_RESULT([no])
+])
+
+
+# Check whether pthread_mutex_t has a member called __m_kind.
+
+AC_CHECK_MEMBER([pthread_mutex_t.__m_kind],
+ [AC_DEFINE([HAVE_PTHREAD_MUTEX_T__M_KIND],
+ 1,
+ [Define to 1 if pthread_mutex_t has a member called __m_kind.])
+ ],
+ [],
+ [#include <pthread.h>])
+
+
+# Check whether pthread_mutex_t has a member called __data.__kind.
+
+AC_CHECK_MEMBER([pthread_mutex_t.__data.__kind],
+ [AC_DEFINE([HAVE_PTHREAD_MUTEX_T__DATA__KIND],
+ 1,
+ [Define to 1 if pthread_mutex_t has a member __data.__kind.])
+ ],
+ [],
+ [#include <pthread.h>])
+
+
+# does this compiler support -maltivec and does it have the include file
+# <altivec.h> ?
+
+AC_MSG_CHECKING([for Altivec])
+
+safe_CFLAGS=$CFLAGS
+CFLAGS="-maltivec"
+
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#include <altivec.h>
+]], [[
+ vector unsigned int v;
+]])], [
+ac_have_altivec=yes
+AC_MSG_RESULT([yes])
+AC_DEFINE([HAS_ALTIVEC], 1,
+ [Define to 1 if gcc/as can do Altivec.])
+], [
+ac_have_altivec=no
+AC_MSG_RESULT([no])
+])
+CFLAGS=$safe_CFLAGS
+
+AM_CONDITIONAL([HAS_ALTIVEC], [test x$ac_have_altivec = xyes])
+
+
+# Check that both: the compiler supports -mvsx and that the assembler
+# understands VSX instructions. If either of those doesn't work,
+# conclude that we can't do VSX. NOTE: basically this is a kludge
+# in that it conflates two things that should be separate -- whether
+# the compiler understands the flag vs whether the assembler
+# understands the opcodes. This really ought to be cleaned up
+# and done properly, like it is for x86/x86_64.
+
+AC_MSG_CHECKING([for VSX])
+
+safe_CFLAGS=$CFLAGS
+CFLAGS="-mvsx"
+
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#include <altivec.h>
+]], [[
+ vector unsigned int v;
+ __asm__ __volatile__("xsmaddadp 32, 32, 33" ::: "memory","cc");
+]])], [
+ac_have_vsx=yes
+AC_MSG_RESULT([yes])
+], [
+ac_have_vsx=no
+AC_MSG_RESULT([no])
+])
+CFLAGS=$safe_CFLAGS
+
+AM_CONDITIONAL(HAS_VSX, test x$ac_have_vsx = xyes)
+
+
+AC_MSG_CHECKING([that assembler knows DFP])
+
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+]], [[
+ __asm__ __volatile__("dadd 1, 2, 3");
+ __asm__ __volatile__("dcffix 1, 2");
+]])], [
+ac_asm_have_dfp=yes
+AC_MSG_RESULT([yes])
+], [
+ac_asm_have_dfp=no
+AC_MSG_RESULT([no])
+])
+
+
+AC_MSG_CHECKING([that compiler knows -mhard-dfp switch])
+safe_CFLAGS=$CFLAGS
+CFLAGS="-mhard-dfp"
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+]], [[
+ __asm__ __volatile__("dadd 1, 2, 3");
+ __asm__ __volatile__("dcffix 1, 2");
+]])], [
+ac_gcc_have_dfp=yes
+AC_MSG_RESULT([yes])
+], [
+ac_gcc_have_dfp=no
+AC_MSG_RESULT([no])
+])
+
+CFLAGS=$safe_CFLAGS
+
+AM_CONDITIONAL(HAS_DFP, test x$ac_asm_have_dfp = xyes -a x$ac_gcc_have_dfp = xyes)
+
+
+AC_MSG_CHECKING([that compiler knows DFP datatypes])
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+]], [[
+ _Decimal64 x = 0.0DD;
+]])], [
+ac_gcc_have_dfp_type=yes
+AC_MSG_RESULT([yes])
+], [
+ac_gcc_have_dfp_type=no
+AC_MSG_RESULT([no])
+])
+
+AM_CONDITIONAL(BUILD_DFP_TESTS, test x$ac_gcc_have_dfp_type = xyes)
+
+# isa 2.07 checking
+AC_MSG_CHECKING([that assembler knows ISA 2.07 ])
+
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+]], [[
+ __asm__ __volatile__("mtvsrd 1,2 ");
+]])], [
+ac_asm_have_isa_2_07=yes
+AC_MSG_RESULT([yes])
+], [
+ac_asm_have_isa_2_07=no
+AC_MSG_RESULT([no])
+])
+
+AM_CONDITIONAL(HAS_ISA_2_07, test x$ac_asm_have_isa_2_07 = xyes)
+
+# Check for pthread_create@GLIBC2.0
+AC_MSG_CHECKING([for pthread_create@GLIBC2.0()])
+
+safe_CFLAGS=$CFLAGS
+CFLAGS="-lpthread"
+AC_LINK_IFELSE([AC_LANG_PROGRAM([[
+extern int pthread_create_glibc_2_0(void*, const void*,
+ void *(*)(void*), void*);
+__asm__(".symver pthread_create_glibc_2_0, pthread_create@GLIBC_2.0");
+]], [[
+#ifdef __powerpc__
+/*
+ * Apparently on PowerPC linking this program succeeds and generates an
+ * executable with the undefined symbol pthread_create@GLIBC_2.0.
+ */
+#error This test does not work properly on PowerPC.
+#else
+ pthread_create_glibc_2_0(0, 0, 0, 0);
+#endif
+ return 0;
+]])], [
+ac_have_pthread_create_glibc_2_0=yes
+AC_MSG_RESULT([yes])
+AC_DEFINE([HAVE_PTHREAD_CREATE_GLIBC_2_0], 1,
+ [Define to 1 if you have the `pthread_create@glibc2.0' function.])
+], [
+ac_have_pthread_create_glibc_2_0=no
+AC_MSG_RESULT([no])
+])
+CFLAGS=$safe_CFLAGS
+
+AM_CONDITIONAL(HAVE_PTHREAD_CREATE_GLIBC_2_0,
+ test x$ac_have_pthread_create_glibc_2_0 = xyes)
+
+
+# Check for eventfd_t, eventfd() and eventfd_read()
+AC_MSG_CHECKING([for eventfd()])
+
+AC_LINK_IFELSE([AC_LANG_PROGRAM([[
+#include <sys/eventfd.h>
+]], [[
+ eventfd_t ev;
+ int fd;
+
+ fd = eventfd(5, 0);
+ eventfd_read(fd, &ev);
+ return 0;
+]])], [
+AC_MSG_RESULT([yes])
+AC_DEFINE([HAVE_EVENTFD], 1,
+ [Define to 1 if you have the `eventfd' function.])
+AC_DEFINE([HAVE_EVENTFD_READ], 1,
+ [Define to 1 if you have the `eventfd_read' function.])
+], [
+AC_MSG_RESULT([no])
+])
+
+
+#----------------------------------------------------------------------------
+# Checking for supported compiler flags.
+#----------------------------------------------------------------------------
+
+# does this compiler support -m32 ?
+AC_MSG_CHECKING([if gcc accepts -m32])
+
+safe_CFLAGS=$CFLAGS
+CFLAGS="-m32"
+
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
+ return 0;
+]])], [
+FLAG_M32="-m32"
+AC_MSG_RESULT([yes])
+], [
+FLAG_M32=""
+AC_MSG_RESULT([no])
+])
+CFLAGS=$safe_CFLAGS
+
+AC_SUBST(FLAG_M32)
+
+
+# does this compiler support -m64 ?
+AC_MSG_CHECKING([if gcc accepts -m64])
+
+safe_CFLAGS=$CFLAGS
+CFLAGS="-m64"
+
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
+ return 0;
+]])], [
+FLAG_M64="-m64"
+AC_MSG_RESULT([yes])
+], [
+FLAG_M64=""
+AC_MSG_RESULT([no])
+])
+CFLAGS=$safe_CFLAGS
+
+AC_SUBST(FLAG_M64)
+
+
+# does this compiler support -mmmx ?
+AC_MSG_CHECKING([if gcc accepts -mmmx])
+
+safe_CFLAGS=$CFLAGS
+CFLAGS="-mmmx"
+
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
+ return 0;
+]])], [
+FLAG_MMMX="-mmmx"
+AC_MSG_RESULT([yes])
+], [
+FLAG_MMMX=""
+AC_MSG_RESULT([no])
+])
+CFLAGS=$safe_CFLAGS
+
+AC_SUBST(FLAG_MMMX)
+
+
+# does this compiler support -msse ?
+AC_MSG_CHECKING([if gcc accepts -msse])
+
+safe_CFLAGS=$CFLAGS
+CFLAGS="-msse"
+
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
+ return 0;
+]])], [
+FLAG_MSSE="-msse"
+AC_MSG_RESULT([yes])
+], [
+FLAG_MSSE=""
+AC_MSG_RESULT([no])
+])
+CFLAGS=$safe_CFLAGS
+
+AC_SUBST(FLAG_MSSE)
+
+
+# does this compiler support -mpreferred-stack-boundary=2 ?
+AC_MSG_CHECKING([if gcc accepts -mpreferred-stack-boundary])
+
+safe_CFLAGS=$CFLAGS
+CFLAGS="-mpreferred-stack-boundary=2"
+
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
+ return 0;
+]])], [
+PREFERRED_STACK_BOUNDARY="-mpreferred-stack-boundary=2"
+AC_MSG_RESULT([yes])
+], [
+PREFERRED_STACK_BOUNDARY=""
+AC_MSG_RESULT([no])
+])
+CFLAGS=$safe_CFLAGS
+
+AC_SUBST(PREFERRED_STACK_BOUNDARY)
+
+
+# does this compiler support -Wno-pointer-sign ?
+AC_MSG_CHECKING([if gcc accepts -Wno-pointer-sign])
+
+safe_CFLAGS=$CFLAGS
+CFLAGS="-Wno-pointer-sign"
+
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
+ return 0;
+]])], [
+no_pointer_sign=yes
+AC_MSG_RESULT([yes])
+], [
+no_pointer_sign=no
+AC_MSG_RESULT([no])
+])
+CFLAGS=$safe_CFLAGS
+
+AM_CONDITIONAL(HAS_POINTER_SIGN_WARNING, test x$no_pointer_sign = xyes)
+
+
+# does this compiler support -Wno-write-strings ?
+AC_MSG_CHECKING([if gcc accepts -Wwrite-strings])
+
+safe_CFLAGS=$CFLAGS
+CFLAGS="-Wwrite-strings"
+
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
+ return 0;
+]])], [
+no_write_strings=yes
+AC_MSG_RESULT([yes])
+], [
+no_write_strings=no
+AC_MSG_RESULT([no])
+])
+CFLAGS=$safe_CFLAGS
+
+if test x$no_write_strings = xyes; then
+ CFLAGS="$CFLAGS -Wwrite-strings"
+fi
+
+AM_CONDITIONAL(HAS_WRITE_STRINGS_WARNING, test x$no_write_strings = xyes)
+
+# does this compiler support -Wno-empty-body ?
+
+AC_MSG_CHECKING([if gcc accepts -Wno-empty-body])
+
+safe_CFLAGS=$CFLAGS
+CFLAGS="-Wno-empty-body"
+
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[
+ return 0;
+]])], [
+AC_SUBST([FLAG_W_NO_EMPTY_BODY], [-Wno-empty-body])
+AC_MSG_RESULT([yes])
+], [
+AC_SUBST([FLAG_W_NO_EMPTY_BODY], [])
+AC_MSG_RESULT([no])
+])
+CFLAGS=$safe_CFLAGS
+
+
+# does this compiler support -Wno-format-zero-length ?
+
+AC_MSG_CHECKING([if gcc accepts -Wno-format-zero-length])
+
+safe_CFLAGS=$CFLAGS
+CFLAGS="-Wno-format-zero-length"
+
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[
+ return 0;
+]])], [
+AC_SUBST([FLAG_W_NO_FORMAT_ZERO_LENGTH], [-Wno-format-zero-length])
+AC_MSG_RESULT([yes])
+], [
+AC_SUBST([FLAG_W_NO_FORMAT_ZERO_LENGTH], [])
+AC_MSG_RESULT([no])
+])
+CFLAGS=$safe_CFLAGS
+
+
+# does this compiler support -Wno-nonnull ?
+
+AC_MSG_CHECKING([if gcc accepts -Wno-nonnull])
+
+safe_CFLAGS=$CFLAGS
+CFLAGS="-Wno-nonnull"
+
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[
+ return 0;
+]])], [
+AC_SUBST([FLAG_W_NO_NONNULL], [-Wno-nonnull])
+AC_MSG_RESULT([yes])
+], [
+AC_SUBST([FLAG_W_NO_NONNULL], [])
+AC_MSG_RESULT([no])
+])
+CFLAGS=$safe_CFLAGS
+
+
+# does this compiler support -Wno-overflow ?
+
+AC_MSG_CHECKING([if gcc accepts -Wno-overflow])
+
+safe_CFLAGS=$CFLAGS
+CFLAGS="-Wno-overflow"
+
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[
+ return 0;
+]])], [
+AC_SUBST([FLAG_W_NO_OVERFLOW], [-Wno-overflow])
+AC_MSG_RESULT([yes])
+], [
+AC_SUBST([FLAG_W_NO_OVERFLOW], [])
+AC_MSG_RESULT([no])
+])
+CFLAGS=$safe_CFLAGS
+
+
+# does this compiler support -Wno-uninitialized ?
+
+AC_MSG_CHECKING([if gcc accepts -Wno-uninitialized])
+
+safe_CFLAGS=$CFLAGS
+CFLAGS="-Wno-uninitialized"
+
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[
+ return 0;
+]])], [
+AC_SUBST([FLAG_W_NO_UNINITIALIZED], [-Wno-uninitialized])
+AC_MSG_RESULT([yes])
+], [
+AC_SUBST([FLAG_W_NO_UNINITIALIZED], [])
+AC_MSG_RESULT([no])
+])
+CFLAGS=$safe_CFLAGS
+
+
+# does this compiler support -Wextra or the older -W ?
+
+AC_MSG_CHECKING([if gcc accepts -Wextra or -W])
+
+safe_CFLAGS=$CFLAGS
+CFLAGS="-Wextra"
+
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[
+ return 0;
+]])], [
+AC_SUBST([FLAG_W_EXTRA], [-Wextra])
+AC_MSG_RESULT([-Wextra])
+], [
+ CFLAGS="-W"
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[
+ return 0;
+ ]])], [
+ AC_SUBST([FLAG_W_EXTRA], [-W])
+ AC_MSG_RESULT([-W])
+ ], [
+ AC_SUBST([FLAG_W_EXTRA], [])
+ AC_MSG_RESULT([not supported])
+ ])
+])
+CFLAGS=$safe_CFLAGS
+
+
+# does this compiler support -fno-stack-protector ?
+AC_MSG_CHECKING([if gcc accepts -fno-stack-protector])
+
+safe_CFLAGS=$CFLAGS
+CFLAGS="-fno-stack-protector"
+
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
+ return 0;
+]])], [
+no_stack_protector=yes
+FLAG_FNO_STACK_PROTECTOR="-fno-stack-protector"
+AC_MSG_RESULT([yes])
+], [
+no_stack_protector=no
+FLAG_FNO_STACK_PROTECTOR=""
+AC_MSG_RESULT([no])
+])
+CFLAGS=$safe_CFLAGS
+
+AC_SUBST(FLAG_FNO_STACK_PROTECTOR)
+
+if test x$no_stack_protector = xyes; then
+ CFLAGS="$CFLAGS -fno-stack-protector"
+fi
+
+
+# does this compiler support --param inline-unit-growth=... ?
+
+AC_MSG_CHECKING([if gcc accepts --param inline-unit-growth])
+
+safe_CFLAGS=$CFLAGS
+CFLAGS="--param inline-unit-growth=900"
+
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[
+ return 0;
+]])], [
+AC_SUBST([FLAG_UNLIMITED_INLINE_UNIT_GROWTH],
+ ["--param inline-unit-growth=900"])
+AC_MSG_RESULT([yes])
+], [
+AC_SUBST([FLAG_UNLIMITED_INLINE_UNIT_GROWTH], [""])
+AC_MSG_RESULT([no])
+])
+CFLAGS=$safe_CFLAGS
+
+
+# does this compiler support -gdwarf-4 -fdebug-types-section ?
+
+AC_MSG_CHECKING([if gcc accepts -gdwarf-4 -fdebug-types-section])
+
+safe_CFLAGS=$CFLAGS
+CFLAGS="-gdwarf-4 -fdebug-types-section"
+
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[
+ return 0;
+]])], [
+ac_have_dwarf4=yes
+AC_MSG_RESULT([yes])
+], [
+ac_have_dwarf4=no
+AC_MSG_RESULT([no])
+])
+AM_CONDITIONAL(DWARF4, test x$ac_have_dwarf4 = xyes)
+CFLAGS=$safe_CFLAGS
+
+
+# We want to use use the -Ttext-segment option to the linker.
+# GNU (bfd) ld supports this directly. Newer GNU gold linkers
+# support it as an alias of -Ttext. Sadly GNU (bfd) ld's -Ttext
+# semantics are NOT what we want (GNU gold -Ttext is fine).
+#
+# For GNU (bfd) ld -Ttext-segment chooses the base at which ELF headers
+# will reside. -Ttext aligns just the .text section start (but not any
+# other section).
+#
+# So test for -Ttext-segment which is supported by all bfd ld versions
+# and use that if it exists. If it doesn't exist it must be an older
+# version of gold and we can fall back to using -Ttext which has the
+# right semantics.
+
+AC_MSG_CHECKING([if the linker accepts -Wl,-Ttext-segment])
+
+safe_CFLAGS=$CFLAGS
+CFLAGS="-static -nodefaultlibs -nostartfiles -Wl,-Ttext-segment=$valt_load_address_pri_norml"
+
+AC_LINK_IFELSE(
+[AC_LANG_SOURCE([int _start () { return 0; }])],
+[
+ linker_using_t_text="no"
+ AC_SUBST([FLAG_T_TEXT], ["-Ttext-segment"])
+ AC_MSG_RESULT([yes])
+], [
+ linker_using_t_text="yes"
+ AC_SUBST([FLAG_T_TEXT], ["-Ttext"])
+ AC_MSG_RESULT([no])
+])
+CFLAGS=$safe_CFLAGS
+
+# If the linker only supports -Ttext (not -Ttext-segment) then we will
+# have to strip any build-id ELF NOTEs from the staticly linked tools.
+# Otherwise the build-id NOTE might end up at the default load address.
+# (Pedantically if the linker is gold then -Ttext is fine, but newer
+# gold versions also support -Ttext-segment. So just assume that unless
+# we can use -Ttext-segment we need to strip the build-id NOTEs.
+if test "x${linker_using_t_text}" == "xyes"; then
+AC_MSG_NOTICE([ld -Ttext used, need to strip build-id NOTEs.])
+# does the linker support -Wl,--build-id=none ? Note, it's
+# important that we test indirectly via whichever C compiler
+# is selected, rather than testing /usr/bin/ld or whatever
+# directly.
+AC_MSG_CHECKING([if the linker accepts -Wl,--build-id=none])
+safe_CFLAGS=$CFLAGS
+CFLAGS="-Wl,--build-id=none"
+
+AC_LINK_IFELSE(
+[AC_LANG_PROGRAM([ ], [return 0;])],
+[
+ AC_SUBST([FLAG_NO_BUILD_ID], ["-Wl,--build-id=none"])
+ AC_MSG_RESULT([yes])
+], [
+ AC_SUBST([FLAG_NO_BUILD_ID], [""])
+ AC_MSG_RESULT([no])
+])
+else
+AC_MSG_NOTICE([ld -Ttext-segment used, no need to strip build-id NOTEs.])
+AC_SUBST([FLAG_NO_BUILD_ID], [""])
+fi
+CFLAGS=$safe_CFLAGS
+
+# does the ppc assembler support "mtocrf" et al?
+AC_MSG_CHECKING([if ppc32/64 as supports mtocrf/mfocrf])
+
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
+__asm__ __volatile__("mtocrf 4,0");
+__asm__ __volatile__("mfocrf 0,4");
+]])], [
+ac_have_as_ppc_mftocrf=yes
+AC_MSG_RESULT([yes])
+], [
+ac_have_as_ppc_mftocrf=no
+AC_MSG_RESULT([no])
+])
+if test x$ac_have_as_ppc_mftocrf = xyes ; then
+ AC_DEFINE(HAVE_AS_PPC_MFTOCRF, 1, [Define to 1 if as supports mtocrf/mfocrf.])
+fi
+
+
+# does the ppc assembler support "lfdp" and other phased out floating point insns?
+AC_MSG_CHECKING([if ppc32/64 asm supports phased out floating point instructions])
+
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
+ do { typedef struct {
+ double hi;
+ double lo;
+ } dbl_pair_t;
+ dbl_pair_t dbl_pair[3];
+ __asm__ volatile ("lfdp 10, %0"::"m" (dbl_pair[0]));
+ } while (0)
+]])], [
+ac_have_as_ppc_fpPO=yes
+AC_MSG_RESULT([yes])
+], [
+ac_have_as_ppc_fpPO=no
+AC_MSG_RESULT([no])
+])
+if test x$ac_have_as_ppc_fpPO = xyes ; then
+ AC_DEFINE(HAVE_AS_PPC_FPPO, 1, [Define to 1 if as supports floating point phased out category.])
+fi
+
+CFLAGS=$safe_CFLAGS
+
+# does the x86/amd64 assembler understand SSE3 instructions?
+# Note, this doesn't generate a C-level symbol. It generates a
+# automake-level symbol (BUILD_SSE3_TESTS), used in test Makefile.am's
+AC_MSG_CHECKING([if x86/amd64 assembler speaks SSE3])
+
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
+ do { long long int x;
+ __asm__ __volatile__("fisttpq (%0)" : :"r"(&x) ); }
+ while (0)
+]])], [
+ac_have_as_sse3=yes
+AC_MSG_RESULT([yes])
+], [
+ac_have_as_sse3=no
+AC_MSG_RESULT([no])
+])
+
+AM_CONDITIONAL(BUILD_SSE3_TESTS, test x$ac_have_as_sse3 = xyes)
+
+
+# Ditto for SSSE3 instructions (note extra S)
+# Note, this doesn't generate a C-level symbol. It generates a
+# automake-level symbol (BUILD_SSSE3_TESTS), used in test Makefile.am's
+AC_MSG_CHECKING([if x86/amd64 assembler speaks SSSE3])
+
+save_CFLAGS="$CFLAGS"
+CFLAGS="$CFLAGS -msse"
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
+ do { long long int x;
+ __asm__ __volatile__(
+ "pabsb (%0),%%xmm7" : : "r"(&x) : "xmm7" ); }
+ while (0)
+]])], [
+ac_have_as_ssse3=yes
+AC_MSG_RESULT([yes])
+], [
+ac_have_as_ssse3=no
+AC_MSG_RESULT([no])
+])
+CFLAGS="$save_CFLAGS"
+
+AM_CONDITIONAL(BUILD_SSSE3_TESTS, test x$ac_have_as_ssse3 = xyes)
+
+
+# does the x86/amd64 assembler understand the PCLMULQDQ instruction?
+# Note, this doesn't generate a C-level symbol. It generates a
+# automake-level symbol (BUILD_PCLMULQDQ_TESTS), used in test Makefile.am's
+AC_MSG_CHECKING([if x86/amd64 assembler supports 'pclmulqdq'])
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
+ do {
+ __asm__ __volatile__(
+ "pclmulqdq \$17,%%xmm6,%%xmm7" : : : "xmm6", "xmm7" ); }
+ while (0)
+]])], [
+ac_have_as_pclmulqdq=yes
+AC_MSG_RESULT([yes])
+], [
+ac_have_as_pclmulqdq=no
+AC_MSG_RESULT([no])
+])
+
+AM_CONDITIONAL(BUILD_PCLMULQDQ_TESTS, test x$ac_have_as_pclmulqdq = xyes)
+
+
+# does the x86/amd64 assembler understand the VPCLMULQDQ instruction?
+# Note, this doesn't generate a C-level symbol. It generates a
+# automake-level symbol (BUILD_VPCLMULQDQ_TESTS), used in test Makefile.am's
+AC_MSG_CHECKING([if x86/amd64 assembler supports 'vpclmulqdq'])
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
+ do {
+ /*
+ * Carry-less multiplication of xmm1 with xmm2 and store the result in
+ * xmm3. The immediate is used to determine which quadwords of xmm1 and
+ * xmm2 should be used.
+ */
+ __asm__ __volatile__(
+ "vpclmulqdq \$0,%%xmm1,%%xmm2,%%xmm3" : : : );
+ } while (0)
+]])], [
+ac_have_as_vpclmulqdq=yes
+AC_MSG_RESULT([yes])
+], [
+ac_have_as_vpclmulqdq=no
+AC_MSG_RESULT([no])
+])
+
+AM_CONDITIONAL(BUILD_VPCLMULQDQ_TESTS, test x$ac_have_as_vpclmulqdq = xyes)
+
+
+# does the x86/amd64 assembler understand the LZCNT instruction?
+# Note, this doesn't generate a...
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