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| author | Clint Adams <clint@users.sourceforge.net> | 2001-04-19 14:45:41 +0000 |
|---|---|---|
| committer | Clint Adams <clint@users.sourceforge.net> | 2001-04-19 14:45:41 +0000 |
| commit | a43aa761cdb3fd1051dad474fccf9e500a0d49ea (patch) | |
| tree | 1035a488b2c17d3314b4cfa08f702ea88c5b46c4 /aczsh.m4 | |
| parent | e3ff47f8ee64cbeb48ed032939342bde1ac840bc (diff) | |
| download | zsh-a43aa761cdb3fd1051dad474fccf9e500a0d49ea.tar.gz zsh-a43aa761cdb3fd1051dad474fccf9e500a0d49ea.tar.xz zsh-a43aa761cdb3fd1051dad474fccf9e500a0d49ea.zip | |
14033: reduce unnecessary library linking for modules and main binary
Diffstat (limited to 'aczsh.m4')
| -rw-r--r-- | aczsh.m4 | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/aczsh.m4 b/aczsh.m4 index 45334b6dc..aa16bffd0 100644 --- a/aczsh.m4 +++ b/aczsh.m4 @@ -683,3 +683,27 @@ AC_DEFUN(zsh_COMPILE_FLAGS, then LIBS="$4" else LIBS="$enable_libs" fi)]) + +dnl zsh_SEARCH_LIBS(FUNCTION, SEARCH-LIBS [, ACTION-IF-FOUND +dnl [, ACTION-IF-NOT-FOUND [, OTHER-LIBRARIES]]]) +dnl Search for a library defining FUNC, if it's not already available. + +AC_DEFUN(zsh_SEARCH_LIBS, +[AC_PREREQ([2.13]) +AC_CACHE_CHECK([for library containing $1], [ac_cv_search_$1], +[ac_func_search_save_LIBS="$LIBS" +ac_cv_search_$1="no" +AC_TRY_LINK_FUNC([$1], [ac_cv_search_$1="none required"]) +test "$ac_cv_search_$1" = "no" && for i in $2; do +LIBS="-l$i $5 $ac_func_search_save_LIBS" +AC_TRY_LINK_FUNC([$1], +[ac_cv_search_$1="-l$i" +break]) +done +LIBS="$ac_func_search_save_LIBS"]) +if test "$ac_cv_search_$1" != "no"; then + test "$ac_cv_search_$1" = "none required" || ZS_LIBS="$ac_cv_search_$1" + $3 +else : + $4 +fi]) |