Use GCC's --print-libgcc-file-name flag to find libgcc's path.

Obtained from: mod_ssl

diff --git a/acinclude.m4 b/acinclude.m4
index 8abbc2f629388676843538c73dbd56140527527b..f14c07d2ca3dbe2a62671200b59b0ee9762ff055 100644 (file)
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -9,8 +9,9 @@ dnl PHP_LIBGCC_LIBPATH(gcc)
 dnl Stores the location of libgcc in libgcc_libpath
 dnl
 AC_DEFUN(PHP_LIBGCC_LIBPATH,[
-  ac_data="`$1 -v 2>&1|grep specs|sed 's/Reading specs from //'`"
-  libgcc_libpath="`dirname $ac_data`"
+  changequote({,})
+  libgcc_libpath="`$1 --print-libgcc-file-name|sed 's%[^/][^/]*$%%'`"
+  changequote([,])
 ])
 
 AC_DEFUN(PHP_ARG_ANALYZE,[