glibc/libstdc++ dependency patches

Author: tausq
Date: 2001-02-27 04:16:05 GMT
glibc/libstdc++ dependency patches

1 files changed, 45 insertions, 0 deletions

diff --git a/buildlib/tools.m4 b/buildlib/tools.m4
index d47d79e7e..281a4ec1d 100644
--- a/buildlib/tools.m4
+++ b/buildlib/tools.m4
@@ -88,3 +88,48 @@ AC_DEFUN(ah_NUM_PROCS,
 	AC_MSG_RESULT([$NUM_PROCS])
 	AC_SUBST(NUM_PROCS)
 ])
+
+AC_DEFUN(ah_GLIBC_VER,
+	[AC_MSG_CHECKING([glibc version])
+	dummy=if$$
+	cat <<_GLIBC_>$dummy.c
+#include <features.h>
+#include <stdio.h>
+int main(int argc, char **argv) { printf("libc6.%d",__GLIBC_MINOR__); exit(0); }
+_GLIBC_
+	${CC-cc} $dummy.c -o $dummy
+	if test "$?" = 0; then
+		GLIBC_VER=`./$dummy`
+		AC_MSG_RESULT([$GLIBC_VER])
+		GLIBC_VER="-$GLIBC_VER"
+	else
+		AC_MSG_WARN([cannot determine GNU C library minor version number])
+	fi
+	rm -f $dummy $dummy.c
+	AC_SUBST(GLIBC_VER)
+])
+
+AC_DEFUN(ah_LIBSTDCPP_VER,
+	[AC_MSG_CHECKING([libstdc++ version])
+	dummy=if$$
+	cat <<_LIBSTDCPP_>$dummy.cc
+#include <features.h>
+#include <stdio.h>
+int main(int argc, char **argv) { exit(0); }
+_LIBSTDCPP_
+	${CXX-c++} $dummy.cc -o $dummy
+
+	if test "$?" = 0; then
+		soname=`objdump -p ./$dummy |grep NEEDED|grep libstd`
+		LIBSTDCPP_VER=`echo $soname | sed -e 's/.*NEEDED.*libstdc++-libc.*-\(.*\).so.\(.*\)/\2-\1/'`
+	fi
+	rm -f $dummy $dummy.cc
+
+	if test -z "$LIBSTDCPP_VER"; then
+		AC_MSG_WARN([cannot determine standard C++ library version number])
+	else
+		AC_MSG_RESULT([$LIBSTDCPP_VER])
+		LIBSTDCPP_VER="-$LIBSTDCPP_VER"
+	fi
+	AC_SUBST(LIBSTDCPP_VER)
+])