Commit b0aa12f4 for tesseract

commit b0aa12f4224cd726bdd0a6aedc84d8da6a2fa843
Author: Stefan Weil <sw@weilnetz.de>
Date:   Wed Jun 3 12:38:21 2026 +0200

    autotools: Fix linker warning on macOS (#4559)

    Assisted-by: OpenCode
    Signed-off-by: Stefan Weil <sw@weilnetz.de>

diff --git a/Makefile.am b/Makefile.am
index f47afec6..4f71f02c 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,4 +1,5 @@
 ## run autogen.sh to create Makefile.in from this file
+export MACOSX_DEPLOYMENT_TARGET = @MACOSX_DEPLOYMENT_TARGET@
 ACLOCAL_AMFLAGS = -I m4

 .PHONY: doc html install-langs ScrollView.jar install-jars pdf training
diff --git a/configure.ac b/configure.ac
index bfdd810b..a4ba9fd2 100644
--- a/configure.ac
+++ b/configure.ac
@@ -312,6 +312,8 @@ m4_define([MY_CHECK_FRAMEWORK],

 case "${host_os}" in
   *darwin* | *-macos10*)
+    test -z "$MACOSX_DEPLOYMENT_TARGET" && MACOSX_DEPLOYMENT_TARGET=$(sw_vers -productVersion 2>/dev/null || echo 10.15)
+    AC_SUBST([MACOSX_DEPLOYMENT_TARGET])
     MY_CHECK_FRAMEWORK([Accelerate])
     if test $my_cv_framework_Accelerate = yes; then
       AM_CPPFLAGS="-DHAVE_FRAMEWORK_ACCELERATE $AM_CPPFLAGS"