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authorkazu <kazu@138bc75d-0d04-0410-961f-82ee72b054a4>2005-07-06 20:12:53 +0000
committerkazu <kazu@138bc75d-0d04-0410-961f-82ee72b054a4>2005-07-06 20:12:53 +0000
commit919611cc8a75293c32bb0d04c4c0b4f900e4f03a (patch)
tree0bb8c02cd9ebcb7d0c16fb9ab660584cd3d67047 /gcc/aclocal.m4
parent6515f9367d9de381354d856efca1e6f22af32e70 (diff)
downloadgcc-919611cc8a75293c32bb0d04c4c0b4f900e4f03a.tar.gz
* aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
argument is empty. * configure: Regenerate. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@101664 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/aclocal.m4')
-rw-r--r--gcc/aclocal.m48
1 files changed, 7 insertions, 1 deletions
diff --git a/gcc/aclocal.m4 b/gcc/aclocal.m4
index da6e38a780b..6c12bfb458c 100644
--- a/gcc/aclocal.m4
+++ b/gcc/aclocal.m4
@@ -711,7 +711,13 @@ dnl shut up useless "checking for..." messages
dnl we can still read them in config.log
exec AS_MESSAGE_FD([])>/dev/null
if test "x[$]$1" = x; then
- AC_PATH_PROGS($1, $2, , $gcc_cv_tool_dirs)
+ # The AC_PATH_PROGS macro doesn't work properly when its 4th argument
+ # is empty.
+ if test "x$gcc_cv_tool_dirs" = x; then
+ $1=
+ else
+ AC_PATH_PROGS($1, $2, , $gcc_cv_tool_dirs)
+ fi
fi
if test "x[$]$1" = x; then
# If the loop above did not find a tool, then use whatever