[oprof-cvs] CVS: oprofile/m4 precompiledheader.m4,NONE,1.1 Makefile.am,1.6,1.7

[Philippe E. <ph...@us...>]

Update of /cvsroot/oprofile/oprofile/m4
In directory sc8-pr-cvs1:/tmp/cvs-serv10324/m4

Modified Files:
	Makefile.am 
Added Files:
	precompiledheader.m4 
Log Message:
build stuff: add --enable-pch (off by default) which enable precompiled header if compiler support it.

--- NEW FILE: precompiledheader.m4 ---
dnl AX_CXXFLAGS_OPTIONS(var-name, option)
dnl add option to var-name if $CXX support it.
AC_DEFUN(AX_CHECK_PRECOMPILED_HEADER, [
AC_MSG_CHECKING([whether ${CXX} support precompiled header])
AC_LANG_SAVE
AC_LANG_CPLUSPLUS
SAVE_CXXFLAGS=$CXXFLAGS
CXXFLAGS=-Winvalid-pch
AC_TRY_COMPILE(,[;],AC_MSG_RESULT([yes]); $1="${$1} -Winvalid-pch -include pch-c++.h"; $2=yes,AC_MSG_RESULT([no]); $2=no)
CXXFLAGS=$SAVE_CXXFLAGS
AC_LANG_RESTORE
])

Index: Makefile.am
===================================================================
RCS file: /cvsroot/oprofile/oprofile/m4/Makefile.am,v
retrieving revision 1.6
retrieving revision 1.7
diff -u -p -d -r1.6 -r1.7
--- Makefile.am	9 May 2003 11:46:14 -0000	1.6
+++ Makefile.am	6 Sep 2003 16:59:32 -0000	1.7
@@ -13,6 +13,7 @@ EXTRA_DIST = \
 	kernelversion.m4 \
 	mallocattribute.m4 \
 	poptconst.m4 \
+	precompiledheader.m4 \
 	qt.m4 \
 	resultyn.m4 \
 	sstream.m4 \