diff options
Diffstat (limited to 'aclocal.m4')
| -rw-r--r-- | aclocal.m4 | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/aclocal.m4 b/aclocal.m4 index e50d008b5b..45c94f784b 100644 --- a/aclocal.m4 +++ b/aclocal.m4 @@ -1975,15 +1975,17 @@ AC_DEFUN([XCODE_VERSION],[ AC_DEFUN([FIND_LLVM_PROG],[ # Test for program with version name. FP_ARG_WITH_PATH_GNU_PROG_OPTIONAL_NOTARGET([$1], [$2], [$3-$4]) - if test "$$1" = ""; then + if test -z "$$1"; then # Test for program without version name. FP_ARG_WITH_PATH_GNU_PROG_OPTIONAL_NOTARGET([$1], [$2], [$3]) - AC_MSG_CHECKING([$$1 is version $4]) - if test `$$1 --version | grep -c "version $4"` -gt 0 ; then - AC_MSG_RESULT(yes) - else - AC_MSG_RESULT(no) - $1="" + if test -n "$$1"; then + AC_MSG_CHECKING([$$1 is version $4]) + if test `$$1 --version | grep -c "version $4"` -gt 0 ; then + AC_MSG_RESULT(yes) + else + AC_MSG_RESULT(no) + $1="" + fi fi fi ]) |