https://gcc.gnu.org/g:6382527abc778ecbfedb8a85ddcc502cd97ddee9

commit r17-5494-g6382527abc778ecbfedb8a85ddcc502cd97ddee9
Author: Pietro Monteiro <[email protected]>
Date:   Thu Oct 22 18:48:54 2026 -0400

    config: Update obsolete macro in pkg.m4
    
    The autoconf macro PKG_CHECK_MODULES defined in config/pkg.m4 uses the
    obsolete AC_TRY_LINK[1]. Update the code to use AC_LINK_IFELSE as
    documented by autoconf
    
    There's no difference to the generated files.
    
    [1] 
https://www.gnu.org/software/autoconf/manual/autoconf-2.69/html_node/Obsolete-Macros.html#index-AC_005fTRY_005fLINK-2207
    
    config/ChangeLog:
    
            * pkg.m4 (PKG_CHECK_MODULES): Replace AC_TRY_LINK with 
AC_LINK_IFELSE.
    
    Signed-off-by: Pietro Monteiro <[email protected]>

Diff:
---
 config/pkg.m4 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/config/pkg.m4 b/config/pkg.m4
index 7ebf517cd6a8..cc15588a05c3 100644
--- a/config/pkg.m4
+++ b/config/pkg.m4
@@ -151,7 +151,7 @@ dnl Check whether $pkg_cv_[]$1[]_LIBS works.
 if test $pkg_failed = no; then
   pkg_save_LDFLAGS="$LDFLAGS"
   LDFLAGS="$LDFLAGS $pkg_cv_[]$1[]_LIBS"
-  AC_TRY_LINK([],[], [], [pkg_failed=yes])
+  AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[]])],[],[pkg_failed=yes])
   LDFLAGS=$pkg_save_LDFLAGS
 fi

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