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| author | H.J. Lu <hjl.tools@gmail.com> | 2020-07-28 03:50:10 -0700 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2020-07-28 03:56:34 -0700 |
| commit | d70f978b44aafc22d87c0e72d0875008c3d9e311 (patch) | |
| tree | d53f7d66d27b619f747638e4088006abdc923197 /config/pkg.m4 | |
| parent | 1a02d6b0ff80048df106cbb776a550278f8c9d9c (diff) | |
| download | gdb-d70f978b44aafc22d87c0e72d0875008c3d9e311.zip gdb-d70f978b44aafc22d87c0e72d0875008c3d9e311.tar.gz gdb-d70f978b44aafc22d87c0e72d0875008c3d9e311.tar.bz2 | |
PKG_CHECK_MODULES: Check if $pkg_cv_[]$1[]_LIBS works
It is quite normal to have headers without library on multilib OSes.
Add AC_TRY_LINK to PKG_CHECK_MODULES to check if $pkg_cv_[]$1[]_LIBS
works.
config/
PR binutils/26301
* pkg.m4 (PKG_CHECK_MODULES): Add AC_TRY_LINK to check if
$pkg_cv_[]$1[]_LIBS works.
binutils/
PR binutils/26301
* configure: Regenerated.
gdb/
PR binutils/26301
* configure: Regenerated.
Diffstat (limited to 'config/pkg.m4')
| -rw-r--r-- | config/pkg.m4 | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/config/pkg.m4 b/config/pkg.m4 index 13a8890..45587e9 100644 --- a/config/pkg.m4 +++ b/config/pkg.m4 @@ -147,6 +147,12 @@ AC_MSG_CHECKING([for $2]) _PKG_CONFIG([$1][_CFLAGS], [cflags], [$2]) _PKG_CONFIG([$1][_LIBS], [libs], [$2]) +dnl Check whether $pkg_cv_[]$1[]_LIBS works. +pkg_save_LDFLAGS="$LDFLAGS" +LDFLAGS="$LDFLAGS $pkg_cv_[]$1[]_LIBS" +AC_TRY_LINK([],[return 0;], [pkg_failed=no], [pkg_failed=yes]) +LDFLAGS=$pkg_save_LDFLAGS + m4_define([_PKG_TEXT], [Alternatively, you may set the environment variables $1[]_CFLAGS and $1[]_LIBS to avoid the need to call pkg-config. See the pkg-config man page for more details.]) |