mirror/autoconf
2
0
Fork 0
mirror of git://git.sv.gnu.org/autoconf synced 2025-02-17 14:01:27 +08:00
Code Issues Packages Projects Releases Wiki Activity

Fix AC_SEARCH_LIBS.

Browse Source
This commit is contained in:
Stepan Kasal 2005-09-06 15:34:06 +00:00
parent 6d3f3b1995
commit 8e555fe7d0
2 changed files with 24 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

31
lib/autoconf/libs.m4
View File

@ -67,24 +67,29 @@
# --------------------------------------------------------
# Search for a library defining FUNC, if it's not already available.
AC_DEFUN([AC_SEARCH_LIBS],
[AC_CACHE_CHECK([for library containing $1], [ac_cv_search_$1],
[AS_VAR_PUSHDEF([ac_Search], [ac_cv_search_$1])dnl
AC_CACHE_CHECK([for library containing $1], ac_Search,
[ac_func_search_save_LIBS=$LIBS
ac_cv_search_$1=no
AC_LINK_IFELSE([AC_LANG_CALL([], [$1])],
[ac_cv_search_$1="none required"])
if test "$ac_cv_search_$1" = no; then
for ac_lib in $2; do
AC_LANG_CONFTEST([AC_LANG_CALL([], [$1])])
for ac_lib in '' $2; do
if test -z "$ac_lib"; then
ac_res="none required"
else
ac_res=-l$ac_lib
LIBS="-l$ac_lib $5 $ac_func_search_save_LIBS"
AC_LINK_IFELSE([AC_LANG_CALL([], [$1])],
[ac_cv_search_$1="-l$ac_lib"
break])
done
fi
fi
AC_LINK_IFELSE([], [AS_VAR_SET(ac_Search, [$ac_res])])
AS_VAR_SET_IF(ac_Search, [break])dnl
done
AS_VAR_SET_IF(ac_Search, , [AS_VAR_SET(ac_Search, [no])])dnl
rm conftest.$ac_ext
LIBS=$ac_func_search_save_LIBS])
AS_IF([test "$ac_cv_search_$1" != no],
[test "$ac_cv_search_$1" = "none required" || LIBS="$ac_cv_search_$1 $LIBS"
ac_res=AS_VAR_GET(ac_Search)
AS_IF([test "$ac_res" != no],
[test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
$3],
[$4])dnl
AS_VAR_POPDEF([ac_Search])dnl
])

7
tests/semantics.at
View File

@ -83,7 +83,13 @@ AC_SEARCH_LIBS(cos, oser m ust,,
case "$ac_cv_search_cos" in
-loser|-lust) AC_MSG_ERROR([jeez, $ac_cv_search_cos must be a cool library!]) ;;
esac
])
# AC_SEARCH_LIBS (none needed)
# ----------------------------
AT_CHECK_MACRO([AC_SEARCH_LIBS (none needed)],
[
AC_SEARCH_LIBS(printf, oser c ust,,
[AC_MSG_ERROR([cannot find `printf'])])
@ -91,7 +97,6 @@ case "$ac_cv_search_printf" in
-loser|-lust) AC_MSG_ERROR([jeez, $ac_cv_search_printf must be a cool library!]) ;;
-lc) AC_MSG_ERROR([huh, you need to give -lc?])
esac
])