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| author | Marc Poulhiès <dkm@kataplop.net> | 2024-08-05 10:43:05 +0200 |
|---|---|---|
| committer | Marc Poulhiès <dkm@kataplop.net> | 2024-08-06 08:07:02 +0000 |
| commit | 47c16d7c81b3c7012b975f624c6c5c19959c091b (patch) | |
| tree | 65c8b6d7d962e1cee89dfe64ffc9520610deefe9 | |
| parent | 177660eabde15c572ee431671e239a6dbd2c93e9 (diff) | |
| download | gcc-47c16d7c81b3c7012b975f624c6c5c19959c091b.zip gcc-47c16d7c81b3c7012b975f624c6c5c19959c091b.tar.gz gcc-47c16d7c81b3c7012b975f624c6c5c19959c091b.tar.bz2 | |
rust: avoid clobbering LIBS
Save LIBS around calls to AC_SEARCH_LIBS to avoid clobbering $LIBS.
ChangeLog:
* configure: Regenerate.
* configure.ac: Save LIBS around calls to AC_SEARCH_LIBS.
Signed-off-by: Marc Poulhiès <dkm@kataplop.net>
Reviewed-by: Thomas Schwinge <tschwinge@baylibre.com>
Tested-by: Thomas Schwinge <tschwinge@baylibre.com>
| -rwxr-xr-x | configure | 15 | ||||
| -rw-r--r-- | configure.ac | 15 |
2 files changed, 16 insertions, 14 deletions
@@ -8829,9 +8829,12 @@ fi # Rust requires -ldl and -lpthread if you are using an old glibc that does not include them by # default, so we check for them here - +# We are doing the test here and not in the gcc/configure to be able to nicely disable the +# build of the Rust frontend in case a dep is missing. missing_rust_dynlibs=none +save_LIBS="$LIBS" +LIBS= { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing dlopen" >&5 $as_echo_n "checking for library containing dlopen... " >&6; } if ${ac_cv_search_dlopen+:} false; then : @@ -8944,16 +8947,14 @@ if test "$ac_res" != no; then : fi +CRAB1_LIBS="$LIBS" +LIBS="$save_LIBS" -if test $ac_cv_search_dlopen = -ldl; then - CRAB1_LIBS="$CRAB1_LIBS -ldl" -elif test $ac_cv_search_dlopen = no; then +if test "$ac_cv_search_dlopen" = no; then missing_rust_dynlibs="libdl" fi -if test $ac_cv_search_pthread_create = -lpthread; then - CRAB1_LIBS="$CRAB1_LIBS -lpthread" -elif test $ac_cv_search_pthread_crate = no; then +if test "$ac_cv_search_pthread_create" = no; then missing_rust_dynlibs="$missing_rust_dynlibs, libpthread" fi diff --git a/configure.ac b/configure.ac index adb738a..52db66c 100644 --- a/configure.ac +++ b/configure.ac @@ -2038,21 +2038,22 @@ AC_SUBST(PICFLAG) # Rust requires -ldl and -lpthread if you are using an old glibc that does not include them by # default, so we check for them here - +# We are doing the test here and not in the gcc/configure to be able to nicely disable the +# build of the Rust frontend in case a dep is missing. missing_rust_dynlibs=none +save_LIBS="$LIBS" +LIBS= AC_SEARCH_LIBS([dlopen], [dl]) AC_SEARCH_LIBS([pthread_create], [pthread]) +CRAB1_LIBS="$LIBS" +LIBS="$save_LIBS" -if test $ac_cv_search_dlopen = -ldl; then - CRAB1_LIBS="$CRAB1_LIBS -ldl" -elif test $ac_cv_search_dlopen = no; then +if test "$ac_cv_search_dlopen" = no; then missing_rust_dynlibs="libdl" fi -if test $ac_cv_search_pthread_create = -lpthread; then - CRAB1_LIBS="$CRAB1_LIBS -lpthread" -elif test $ac_cv_search_pthread_crate = no; then +if test "$ac_cv_search_pthread_create" = no; then missing_rust_dynlibs="$missing_rust_dynlibs, libpthread" fi |