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| author | Björn-Egil Dahlberg <egil@erlang.org> | 2013-01-15 17:32:19 +0100 |
|---|---|---|
| committer | Björn-Egil Dahlberg <egil@erlang.org> | 2013-01-15 17:32:19 +0100 |
| commit | dc60870eb02edb6b0163a77cc9ca523d692bc385 (patch) | |
| tree | d3c018b4f259c74c85a2cf9bb33d7ca42002e27a /aclocal.m4 | |
| parent | fa6771380931c7ded0ad4d36e6cd2554bb932dfc (diff) | |
| download | erlang-dc60870eb02edb6b0163a77cc9ca523d692bc385.tar.gz | |
Fix LM_TRY_ENABLE_CFLAG to use correct environment
LM_TRY_ENABLE_CFLAG takes which environment variable should be updated
but only CFLAGS was updated. Though CFLAGS is the normally the intended
variable, others may be used. For instance CXXFLAGS.
Diffstat (limited to 'aclocal.m4')
| -rw-r--r-- | aclocal.m4 | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/aclocal.m4 b/aclocal.m4 index 5d555a5123..918e30a886 100644 --- a/aclocal.m4 +++ b/aclocal.m4 @@ -1861,17 +1861,16 @@ dnl Usage example LM_TRY_ENABLE_CFLAG([-Werror=return-type], [CFLAGS]) dnl dnl AC_DEFUN([LM_TRY_ENABLE_CFLAG], [ - AC_MSG_CHECKING([if we can add $1 to CFLAGS]) + AC_MSG_CHECKING([if we can add $1 to $2 (via CFLAGS)]) saved_CFLAGS=$CFLAGS; - CFLAGS="$1 $CFLAGS"; + CFLAGS="$1 $$2"; AC_TRY_COMPILE([],[return 0;],can_enable_flag=true,can_enable_flag=false) CFLAGS=$saved_CFLAGS; if test "X$can_enable_flag" = "Xtrue"; then AC_MSG_RESULT([yes]) - AS_VAR_SET($2, "$1 $CFLAGS") + AS_VAR_SET($2, "$1 $$2") else AC_MSG_RESULT([no]) - AS_VAR_SET($2, "$CFLAGS") fi ]) |