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| author | Mike Frysinger <vapier@gentoo.org> | 2022-11-03 17:38:46 +0700 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2022-11-04 13:50:37 +0700 |
| commit | c55c1f6e9d7bcc400bc23a0e29ac9e2681ed4c31 (patch) | |
| tree | 4ce61fe9a67b0253830a3cd7093f075b6d3314fd /sim/m4 | |
| parent | 01d8ce742c257b697eed52de5520d0a4489e4e5b (diff) | |
| download | gdb-c55c1f6e9d7bcc400bc23a0e29ac9e2681ed4c31.zip gdb-c55c1f6e9d7bcc400bc23a0e29ac9e2681ed4c31.tar.gz gdb-c55c1f6e9d7bcc400bc23a0e29ac9e2681ed4c31.tar.bz2 | |
sim: don't hardcode -ldl for SDL support
Since we use AC_SEARCH_LIBS to find dlopen, we don't need to hardcode
-ldl when using SDL ourselves.
Diffstat (limited to 'sim/m4')
| -rw-r--r-- | sim/m4/sim_ac_platform.m4 | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/sim/m4/sim_ac_platform.m4 b/sim/m4/sim_ac_platform.m4 index 74ac7fe..467987e 100644 --- a/sim/m4/sim_ac_platform.m4 +++ b/sim/m4/sim_ac_platform.m4 @@ -154,19 +154,23 @@ AC_SEARCH_LIBS([dlopen], [dl]) if test "${ac_cv_lib_dl_dlopen}" = "yes"; then PKG_CHECK_MODULES(SDL, sdl2, [dnl SDL_CFLAGS="${SDL_CFLAGS} -DHAVE_SDL=2" - SDL_LIBS="-ldl" ], [ PKG_CHECK_MODULES(SDL, sdl, [dnl SDL_CFLAGS="${SDL_CFLAGS} -DHAVE_SDL=1" - SDL_LIBS="-ldl" ], [:]) ]) + dnl If we use SDL, we need dlopen support. + AS_IF([test -n "$SDL_CFLAGS"], [dnl + AS_IF([test "$ac_cv_search_dlopen" = no], [dnl + AC_MSG_WARN([SDL support requires dlopen support]) + ]) + ]) else SDL_CFLAGS= - SDL_LIBS= fi +dnl We dlopen the libs at runtime, so never pass down SDL_LIBS. +SDL_LIBS= AC_SUBST(SDL_CFLAGS) -AC_SUBST(SDL_LIBS) dnl In the Cygwin environment, we need some additional flags. AC_CACHE_CHECK([for cygwin], sim_cv_os_cygwin, |