[Opalvoip-svn] SF.net SVN: opalvoip:[20714] ptlib/trunk
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[Opalvoip-svn] SF.net SVN: opalvoip:[20714] ptlib/trunk
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From: <ms3...@us...> - 2008-08-21 17:53:15
|
Revision: 20714
http://opalvoip.svn.sourceforge.net/opalvoip/?rev=20714&view=rev
Author: ms30002000
Date: 2008-08-21 17:53:25 +0000 (Thu, 21 Aug 2008)
Log Message:
-----------
Move ptlib configure functions to a separate m4 file.
Modified Paths:
--------------
ptlib/trunk/configure
ptlib/trunk/configure.ac
Added Paths:
-----------
ptlib/trunk/ptlib.m4
Modified: ptlib/trunk/configure
===================================================================
--- ptlib/trunk/configure 2008-08-21 17:48:11 UTC (rev 20713)
+++ ptlib/trunk/configure 2008-08-21 17:53:25 UTC (rev 20714)
@@ -3316,6 +3316,8 @@
+
+
PTLIBDIR=`pwd`
@@ -5656,40 +5658,6 @@
STDCXXFLAGS="$STDCCFLAGS -frtti"
fi
-GCSECTIONS=0
-
-
-if test 0 = 1 ; then
- { { echo "$as_me:$LINENO: error: error" >&5
-echo "$as_me: error: error" >&2;}
- { (exit 1); exit 1; }; }
-
- { echo "$as_me:$LINENO: checking if compiler accepts -ffunction-sections" >&5
-echo $ECHO_N "checking if compiler accepts -ffunction-sections... $ECHO_C" >&6; }
- cat >conftest.$ac_ext <<_ACEOF
-int main(int ac,char **av) { return 0; }
-_ACEOF
- $CXX $CFLAGS -ffunction-sections -c conftest.$ac_ext > /dev/null 2>&1
- if test $? = 0 ; then
- { echo "$as_me:$LINENO: result: yes" >&5
-echo "${ECHO_T}yes" >&6; }
- STDCCFLAGS="$STDCCFLAGS -ffunction-sections"
- GCSECTIONS=1
- else
- { echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6; }
- fi
-
-
-
- if test $GCSECTIONS = 1; then
- if test "${OSTYPE}" != "Darwin" ; then
- P_STATIC_LDFLAGS="$P_STATIC_LDFLAGS -Wl,--gc-sections"
- fi
- fi
-fi
-
-
ac_ext=cpp
ac_cpp='$CXXCPP $CPPFLAGS'
ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
Modified: ptlib/trunk/configure.ac
===================================================================
--- ptlib/trunk/configure.ac 2008-08-21 17:48:11 UTC (rev 20713)
+++ ptlib/trunk/configure.ac 2008-08-21 17:53:25 UTC (rev 20714)
@@ -11,296 +11,9 @@
AC_LANG(C++)
-dnl PTLIB_SIMPLE
-dnl Change a given variable according to arguments and subst and define it
-dnl Arguments: $1 name of configure option
-dnl $2 the variable to change, subst and define
-dnl $3 the configure argument description
-dnl $4 dependency variable #1
-dnl $5 dependency variable #2
-dnl Return: ${HAS_$2} The (possibly) changed variable
-AC_DEFUN([PTLIB_SIMPLE_OPTION],
- [
-dnl if test "x${HAS_$2}" = "x"; then
-dnl AC_MSG_ERROR([No default specified for HAS_$2, please correct configure.ac])
-dnl fi
- AC_MSG_CHECKING([$3])
- AC_ARG_ENABLE([$1],
- [AC_HELP_STRING([--enable-$1],[$3])],
- [
- if test "x$enableval" = "xyes"; then
- HAS_$2=1
- else
- HAS_$2=
- fi
- ])
+m4_include(ptlib.m4)
- if test "x$4" != "x"; then
- if test "x$$4" != "x1"; then
- AC_MSG_NOTICE([$1 support disabled due to disabled dependency $4])
- HAS_$2=
- fi
- fi
-
- if test "x$5" != "x"; then
- if test "x$$5" != "x1"; then
- AC_MSG_NOTICE([$1 support disabled due to disabled dependency $5])
- HAS_$2=
- fi
- fi
-
-
- if test "x${HAS_$2}" = "x1"; then
- AC_DEFINE([P_$2], [1], [$3])
- HAS_$2=1
- AC_MSG_RESULT([yes])
- else
- HAS_$2=
- AC_MSG_RESULT([no])
- fi
- AC_SUBST(HAS_$2)
-
-
- ])
-
-dnl PTLIB_FIND_DIRECTX
-dnl Check for directX
-dnl Arguments:
-dnl Return: $1 action if-found
-dnl $2 action if-not-found
-dnl $DIRECTX_INCLUDES
-dnl $DIRECTX_LIBS
-AC_DEFUN([PTLIB_FIND_DIRECTX],
- [
- ptlib_has_directx=yes
- DIRECTX_INCLUDES=
- DIRECTX_LIBS=
-
- AC_ARG_WITH([directx-includedir],
- AS_HELP_STRING([--with-directx-includedir=DIR],[Location of DirectX include files]),
- [with_directx_dir="$withval"],
- [with_directx_dir="include"]
- )
-
- AC_MSG_CHECKING(for DirectX includes in ${with_directx_dir})
- AC_MSG_RESULT()
-
- old_CPPFLAGS="$CPPFLAGS"
- CPPFLAGS="$CPPFLAGS -I${with_directx_dir}"
- AC_LANG(C++)
-
- AC_CHECK_HEADERS([mingw_dshow_port.h], [], [ptlib_has_directx=no])
- AC_CHECK_HEADERS([control.h], [], [ptlib_has_directx=no])
- AC_CHECK_HEADERS([ddraw.h], [], [ptlib_has_directx=no])
- AC_CHECK_HEADERS([dshow.h], [], [ptlib_has_directx=no])
- AC_CHECK_HEADERS([dsound.h], [], [ptlib_has_directx=no])
- AC_CHECK_HEADERS([dxerr9.h], [], [ptlib_has_directx=no])
- AC_CHECK_HEADERS([ksuuids.h], [], [ptlib_has_directx=no])
- AC_CHECK_HEADERS([strmif.h], [], [ptlib_has_directx=no])
- AC_CHECK_HEADERS([uuids.h], [], [ptlib_has_directx=no])
- CPPFLAGS="$old_CPPFLAGS"
-
-
- if test "x${ptlib_has_directx}" = "xyes" ; then
- AC_MSG_CHECKING([for DirectX libraries])
- AC_MSG_RESULT()
- fi
-
- if test "x${ptlib_has_directx}" = "xyes" ; then
- DIRECTX_INCLUDES="-I${with_directx_dir}"
- DIRECTX_LIBS="-ldsound -ldxerr9 -ldxguid -lstrmiids -lole32 -luuid -loleaut32 -lquartz"
- fi
-
- AS_IF([test AS_VAR_GET([ptlib_has_directx]) = yes], [$1], [$2])[]
- ])
-
-dnl PTLIB_FIND_RESOLVER
-dnl Check for dns resolver
-dnl Arguments:
-dnl Return: $1 action if-found
-dnl $2 action if-not-found
-dnl $RESOLVER_LIBS
-dnl $$HAS_RES_INIT
-AC_DEFUN([PTLIB_FIND_RESOLVER],
- [
- ptlib_has_resolver=no
- HAS_RES_NINIT=
-
- AC_CHECK_FUNC([res_ninit],
- [
- HAS_RES_NINIT=1
- ptlib_has_resolver=yes
- ])
-
- if test "x${ptlib_has_resolver}" = "xno" ; then
- AC_MSG_CHECKING([for res_ninit in -lresolv])
- old_LIBS="$LIBS"
- LIBS="$LIBS -lresolv"
- AC_LINK_IFELSE([[
- #include <netinet/in.h>
- #include <resolv.h>
- int main(int argc,char **argv) {
- res_state p; res_ninit(p);
- }
- ]],
- [
- HAS_RES_NINIT=1
- ptlib_has_resolver=yes
- RESOLVER_LIBS="-lresolv"
- ])
- LIBS="${old_LIBS}"
- AC_MSG_RESULT(${ptlib_has_resolver})
- fi
-
- if test "x${ptlib_has_resolver}" = "xno" ; then
- AC_CHECK_FUNC([res_search], [ptlib_has_resolver=yes])
- fi
-
- if test "x${ptlib_has_resolver}" = "xno" ; then
- AC_MSG_CHECKING([for res_search in -lresolv])
- old_LIBS="$LIBS"
- LIBS="$LIBS -lresolv"
- AC_LINK_IFELSE([[
- #include <netinet/in.h>
- #include <resolv.h>
- int main(int argc,char **argv){
- res_search (NULL, 0, 0, NULL, 0);
- }
- ]],
- [
- ptlib_has_resolver=yes
- RESOLVER_LIBS="-lresolv"
- ])
- LIBS="${old_LIBS}"
- AC_MSG_RESULT(${ptlib_has_resolver})
- fi
-
- if test "x${ptlib_has_resolver}" = "xno" ; then
- AC_SEARCH_LIBS([__res_search], [resolv], [ptlib_has_resolver=yes])
- fi
-
- if test "x${ptlib_has_resolver}" = "xno" ; then
- AC_SEARCH_LIBS([__res_search], [resolv], [ptlib_has_resolver=yes])
- fi
-
- if test "x${ptlib_has_resolver}" = "xno" ; then
- AC_CHECK_HEADERS([windns.h],
- [
- ptlib_has_resolver=yes
- RESOLVER_LIBS="-ldnsapi"
- ])
- fi
- AS_IF([test AS_VAR_GET([ptlib_has_resolver]) = yes], [$1], [$2])[]
- ])
-
-dnl PTLIB_OPENSSL_CONST
-dnl Check for directX
-dnl Arguments:
-dnl Return: $1 action if-found
-dnl $2 action if-not-found
-AC_DEFUN([PTLIB_OPENSSL_CONST],
- [
- ptlib_openssl_const=no
- old_CFLAGS="$CFLAGS"
- CFLAGS="$CFLAGS $OPENSSL_CFLAGS"
- AC_LANG(C)
- AC_MSG_CHECKING(for const arg to d2i_AutoPrivateKey)
- AC_TRY_COMPILE([#include <openssl/evp.h>],
- [
- EVP_PKEY **a; const unsigned char **p; long l;
- d2i_AutoPrivateKey(a, p, l);
- ],
- [ptlib_openssl_const=yes]
- )
- AC_MSG_RESULT(${ptlib_openssl_const})
- AC_LANG(C++)
- CFLAGS="${old_CFLAGS}"
-
- AS_IF([test AS_VAR_GET([ptlib_openssl_const]) = yes], [$1], [$2])[]
- ])
-
-dnl PTLIB_CHECK_UPAD128
-dnl Check for upad128_t (solaris only)
-dnl Arguments:
-dnl Return: $1 action if-found
-dnl $2 action if-not-found
-AC_DEFUN([PTLIB_CHECK_UPAD128],
- [
- ptlib_upad128=no
-
- AC_MSG_CHECKING(for upad128_t)
- AC_TRY_COMPILE([#include <sys/types.h>],
- [upad128_t upad; upad._q = 0.0;],
- [ptlib_upad128=yes])
- AC_MSG_RESULT(${ptlib_upad128})
-
- AS_IF([test AS_VAR_GET([ptlib_upad128]) = yes], [$1], [$2])[]
- ])
-
-dnl PTLIB_OPENSSL_AES
-dnl Check for directX
-dnl Arguments:
-dnl Return: $1 action if-found
-dnl $2 action if-not-found
-AC_DEFUN([PTLIB_OPENSSL_AES],
- [
- ptlib_openssl_aes=no
- old_CFLAGS="$CFLAGS"
- CFLAGS="$CFLAGS $OPENSSL_CFLAGS"
- AC_LANG(C)
- AC_CHECK_HEADERS([openssl/aes.h], [ptlib_openssl_aes=yes])
- AC_LANG(C++)
- CFLAGS="${old_CFLAGS}"
- AS_IF([test AS_VAR_GET([ptlib_openssl_aes]) = yes], [$1], [$2])[]
- ])
-
dnl ########################################################################
-dnl libdl
-dnl ########################################################################
-
-dnl PTLIB_FIND_LBDL
-dnl Try to find a library containing dlopen()
-dnl Arguments: $1 action if-found
-dnl $2 action if-not-found
-dnl Return: $DL_LIBS The libs for dlopen()
-AC_DEFUN([PTLIB_FIND_LIBDL],
- [
- ptlib_libdl=no
- AC_CHECK_HEADERS([dlfcn.h], [ptlib_dlfcn=yes], [ptlib_dlfcn=no])
- if test "$ptlib_dlfcn" = yes ; then
- AC_MSG_CHECKING(if dlopen is available)
- AC_LANG(C)
- AC_TRY_COMPILE([#include <dlfcn.h>],
- [void * p = dlopen("lib", 0);], [ptlib_dlopen=yes], [ptlib_dlopen=no])
- if test "$ptlib_dlopen" = no ; then
- AC_MSG_RESULT(no)
- else
- AC_MSG_RESULT(yes)
- case "$target_os" in
- freebsd*|openbsd*|netbsd*|darwin*|beos*)
- AC_CHECK_LIB([c],[dlopen],
- [
- ptlib_libdl=yes
- DL_LIBS="-lc"
- ],
- [ptlib_libdl=no])
- ;;
- *)
- AC_CHECK_LIB([dl],[dlopen],
- [
- ptlib_libdl=yes
- DL_LIBS="-ldl"
- ],
- [ptlib_libdl=no])
- ;;
- esac
- fi
- fi
- AS_IF([test AS_VAR_GET([ptlib_libdl]) = yes], [$1], [$2])[]
- ])
-
-
-dnl ########################################################################
dnl set the PTLIB directory to the current directory
PTLIBDIR=`pwd`
Added: ptlib/trunk/ptlib.m4
===================================================================
--- ptlib/trunk/ptlib.m4 (rev 0)
+++ ptlib/trunk/ptlib.m4 2008-08-21 17:53:25 UTC (rev 20714)
@@ -0,0 +1,289 @@
+dnl PTLIB_SIMPLE
+dnl Change a given variable according to arguments and subst and define it
+dnl Arguments: $1 name of configure option
+dnl $2 the variable to change, subst and define
+dnl $3 the configure argument description
+dnl $4 dependency variable #1
+dnl $5 dependency variable #2
+dnl Return: ${HAS_$2} The (possibly) changed variable
+AC_DEFUN([PTLIB_SIMPLE_OPTION],
+ [
+dnl if test "x${HAS_$2}" = "x"; then
+dnl AC_MSG_ERROR([No default specified for HAS_$2, please correct configure.ac])
+dnl fi
+ AC_MSG_CHECKING([$3])
+ AC_ARG_ENABLE([$1],
+ [AC_HELP_STRING([--enable-$1],[$3])],
+ [
+ if test "x$enableval" = "xyes"; then
+ HAS_$2=1
+ else
+ HAS_$2=
+ fi
+ ])
+
+ if test "x$4" != "x"; then
+ if test "x$$4" != "x1"; then
+ AC_MSG_NOTICE([$1 support disabled due to disabled dependency $4])
+ HAS_$2=
+ fi
+ fi
+
+ if test "x$5" != "x"; then
+ if test "x$$5" != "x1"; then
+ AC_MSG_NOTICE([$1 support disabled due to disabled dependency $5])
+ HAS_$2=
+ fi
+ fi
+
+
+ if test "x${HAS_$2}" = "x1"; then
+ AC_DEFINE([P_$2], [1], [$3])
+ HAS_$2=1
+ AC_MSG_RESULT([yes])
+ else
+ HAS_$2=
+ AC_MSG_RESULT([no])
+ fi
+ AC_SUBST(HAS_$2)
+
+
+ ])
+
+dnl PTLIB_FIND_DIRECTX
+dnl Check for directX
+dnl Arguments:
+dnl Return: $1 action if-found
+dnl $2 action if-not-found
+dnl $DIRECTX_INCLUDES
+dnl $DIRECTX_LIBS
+AC_DEFUN([PTLIB_FIND_DIRECTX],
+ [
+ ptlib_has_directx=yes
+ DIRECTX_INCLUDES=
+ DIRECTX_LIBS=
+
+ AC_ARG_WITH([directx-includedir],
+ AS_HELP_STRING([--with-directx-includedir=DIR],[Location of DirectX include files]),
+ [with_directx_dir="$withval"],
+ [with_directx_dir="include"]
+ )
+
+ AC_MSG_CHECKING(for DirectX includes in ${with_directx_dir})
+ AC_MSG_RESULT()
+
+ old_CPPFLAGS="$CPPFLAGS"
+ CPPFLAGS="$CPPFLAGS -I${with_directx_dir}"
+ AC_LANG(C++)
+
+ AC_CHECK_HEADERS([mingw_dshow_port.h], [], [ptlib_has_directx=no])
+ AC_CHECK_HEADERS([control.h], [], [ptlib_has_directx=no])
+ AC_CHECK_HEADERS([ddraw.h], [], [ptlib_has_directx=no])
+ AC_CHECK_HEADERS([dshow.h], [], [ptlib_has_directx=no])
+ AC_CHECK_HEADERS([dsound.h], [], [ptlib_has_directx=no])
+ AC_CHECK_HEADERS([dxerr9.h], [], [ptlib_has_directx=no])
+ AC_CHECK_HEADERS([ksuuids.h], [], [ptlib_has_directx=no])
+ AC_CHECK_HEADERS([strmif.h], [], [ptlib_has_directx=no])
+ AC_CHECK_HEADERS([uuids.h], [], [ptlib_has_directx=no])
+ CPPFLAGS="$old_CPPFLAGS"
+
+
+ if test "x${ptlib_has_directx}" = "xyes" ; then
+ AC_MSG_CHECKING([for DirectX libraries])
+ AC_MSG_RESULT()
+ fi
+
+ if test "x${ptlib_has_directx}" = "xyes" ; then
+ DIRECTX_INCLUDES="-I${with_directx_dir}"
+ DIRECTX_LIBS="-ldsound -ldxerr9 -ldxguid -lstrmiids -lole32 -luuid -loleaut32 -lquartz"
+ fi
+
+ AS_IF([test AS_VAR_GET([ptlib_has_directx]) = yes], [$1], [$2])[]
+ ])
+
+dnl PTLIB_FIND_RESOLVER
+dnl Check for dns resolver
+dnl Arguments:
+dnl Return: $1 action if-found
+dnl $2 action if-not-found
+dnl $RESOLVER_LIBS
+dnl $$HAS_RES_INIT
+AC_DEFUN([PTLIB_FIND_RESOLVER],
+ [
+ ptlib_has_resolver=no
+ HAS_RES_NINIT=
+
+ AC_CHECK_FUNC([res_ninit],
+ [
+ HAS_RES_NINIT=1
+ ptlib_has_resolver=yes
+ ])
+
+ if test "x${ptlib_has_resolver}" = "xno" ; then
+ AC_MSG_CHECKING([for res_ninit in -lresolv])
+ old_LIBS="$LIBS"
+ LIBS="$LIBS -lresolv"
+ AC_LINK_IFELSE([[
+ #include <netinet/in.h>
+ #include <resolv.h>
+ int main(int argc,char **argv) {
+ res_state p; res_ninit(p);
+ }
+ ]],
+ [
+ HAS_RES_NINIT=1
+ ptlib_has_resolver=yes
+ RESOLVER_LIBS="-lresolv"
+ ])
+ LIBS="${old_LIBS}"
+ AC_MSG_RESULT(${ptlib_has_resolver})
+ fi
+
+ if test "x${ptlib_has_resolver}" = "xno" ; then
+ AC_CHECK_FUNC([res_search], [ptlib_has_resolver=yes])
+ fi
+
+ if test "x${ptlib_has_resolver}" = "xno" ; then
+ AC_MSG_CHECKING([for res_search in -lresolv])
+ old_LIBS="$LIBS"
+ LIBS="$LIBS -lresolv"
+ AC_LINK_IFELSE([[
+ #include <netinet/in.h>
+ #include <resolv.h>
+ int main(int argc,char **argv){
+ res_search (NULL, 0, 0, NULL, 0);
+ }
+ ]],
+ [
+ ptlib_has_resolver=yes
+ RESOLVER_LIBS="-lresolv"
+ ])
+ LIBS="${old_LIBS}"
+ AC_MSG_RESULT(${ptlib_has_resolver})
+ fi
+
+ if test "x${ptlib_has_resolver}" = "xno" ; then
+ AC_SEARCH_LIBS([__res_search], [resolv], [ptlib_has_resolver=yes])
+ fi
+
+ if test "x${ptlib_has_resolver}" = "xno" ; then
+ AC_SEARCH_LIBS([__res_search], [resolv], [ptlib_has_resolver=yes])
+ fi
+
+ if test "x${ptlib_has_resolver}" = "xno" ; then
+ AC_CHECK_HEADERS([windns.h],
+ [
+ ptlib_has_resolver=yes
+ RESOLVER_LIBS="-ldnsapi"
+ ])
+ fi
+ AS_IF([test AS_VAR_GET([ptlib_has_resolver]) = yes], [$1], [$2])[]
+ ])
+
+dnl PTLIB_OPENSSL_CONST
+dnl Check for directX
+dnl Arguments:
+dnl Return: $1 action if-found
+dnl $2 action if-not-found
+AC_DEFUN([PTLIB_OPENSSL_CONST],
+ [
+ ptlib_openssl_const=no
+ old_CFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS $OPENSSL_CFLAGS"
+ AC_LANG(C)
+ AC_MSG_CHECKING(for const arg to d2i_AutoPrivateKey)
+ AC_TRY_COMPILE([#include <openssl/evp.h>],
+ [
+ EVP_PKEY **a; const unsigned char **p; long l;
+ d2i_AutoPrivateKey(a, p, l);
+ ],
+ [ptlib_openssl_const=yes]
+ )
+ AC_MSG_RESULT(${ptlib_openssl_const})
+ AC_LANG(C++)
+ CFLAGS="${old_CFLAGS}"
+
+ AS_IF([test AS_VAR_GET([ptlib_openssl_const]) = yes], [$1], [$2])[]
+ ])
+
+dnl PTLIB_CHECK_UPAD128
+dnl Check for upad128_t (solaris only)
+dnl Arguments:
+dnl Return: $1 action if-found
+dnl $2 action if-not-found
+AC_DEFUN([PTLIB_CHECK_UPAD128],
+ [
+ ptlib_upad128=no
+
+ AC_MSG_CHECKING(for upad128_t)
+ AC_TRY_COMPILE([#include <sys/types.h>],
+ [upad128_t upad; upad._q = 0.0;],
+ [ptlib_upad128=yes])
+ AC_MSG_RESULT(${ptlib_upad128})
+
+ AS_IF([test AS_VAR_GET([ptlib_upad128]) = yes], [$1], [$2])[]
+ ])
+
+dnl PTLIB_OPENSSL_AES
+dnl Check for directX
+dnl Arguments:
+dnl Return: $1 action if-found
+dnl $2 action if-not-found
+AC_DEFUN([PTLIB_OPENSSL_AES],
+ [
+ ptlib_openssl_aes=no
+ old_CFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS $OPENSSL_CFLAGS"
+ AC_LANG(C)
+ AC_CHECK_HEADERS([openssl/aes.h], [ptlib_openssl_aes=yes])
+ AC_LANG(C++)
+ CFLAGS="${old_CFLAGS}"
+ AS_IF([test AS_VAR_GET([ptlib_openssl_aes]) = yes], [$1], [$2])[]
+ ])
+
+dnl ########################################################################
+dnl libdl
+dnl ########################################################################
+
+dnl PTLIB_FIND_LBDL
+dnl Try to find a library containing dlopen()
+dnl Arguments: $1 action if-found
+dnl $2 action if-not-found
+dnl Return: $DL_LIBS The libs for dlopen()
+AC_DEFUN([PTLIB_FIND_LIBDL],
+ [
+ ptlib_libdl=no
+ AC_CHECK_HEADERS([dlfcn.h], [ptlib_dlfcn=yes], [ptlib_dlfcn=no])
+ if test "$ptlib_dlfcn" = yes ; then
+ AC_MSG_CHECKING(if dlopen is available)
+ AC_LANG(C)
+ AC_TRY_COMPILE([#include <dlfcn.h>],
+ [void * p = dlopen("lib", 0);], [ptlib_dlopen=yes], [ptlib_dlopen=no])
+ if test "$ptlib_dlopen" = no ; then
+ AC_MSG_RESULT(no)
+ else
+ AC_MSG_RESULT(yes)
+ case "$target_os" in
+ freebsd*|openbsd*|netbsd*|darwin*|beos*)
+ AC_CHECK_LIB([c],[dlopen],
+ [
+ ptlib_libdl=yes
+ DL_LIBS="-lc"
+ ],
+ [ptlib_libdl=no])
+ ;;
+ *)
+ AC_CHECK_LIB([dl],[dlopen],
+ [
+ ptlib_libdl=yes
+ DL_LIBS="-ldl"
+ ],
+ [ptlib_libdl=no])
+ ;;
+ esac
+ fi
+ fi
+ AS_IF([test AS_VAR_GET([ptlib_libdl]) = yes], [$1], [$2])[]
+ ])
+
+
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