commit 6a77c9bab4bd3c8e10096694469b203bc211246f
author Thomas Van Lenten <thomasvl@google.com> Thu Feb 24 14:38:56 2022 -0500
committer Thomas Van Lenten <thomasvl@google.com> Thu Feb 24 17:39:04 2022 -0500
tree d12c15f0392efafa2005b55e8bffb789dbd172c2
parent e8470340e003b1e417cecf8eb9ed0cd41d496aef

Make the ObjC support conditional to darwin.

Fixes #9392

configure.ac

diff --git a/configure.ac b/configure.ac
index 4c774b0..db69069 100644
--- a/configure.ac
+++ b/configure.ac
@@ -80,7 +80,7 @@
 ACX_USE_SYSTEM_EXTENSIONS
 m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
 AM_CONDITIONAL(GCC, test "$GCC" = yes)   # let the Makefile know if we're gcc
-AC_PROG_OBJC
+AS_CASE([$target_os], [darwin*], [AC_PROG_OBJC], [AM_CONDITIONAL([am__fastdepOBJC], [false])])
 
 # test_util.cc takes forever to compile with GCC and optimization turned on.
 AC_MSG_CHECKING([C++ compiler flags...])