From b1c9cf4434f0d6352924b871438112799a9850ef Mon Sep 17 00:00:00 2001
From: Thomas Debesse <dev@illwieckz.net>
Date: Thu, 11 Mar 2021 07:06:52 +0100
Subject: [PATCH] cmake: pass C compiler option to gtkglext build tools

---
 CMakeLists.txt | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 30ec6ce4..d3f8b284 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -394,12 +394,14 @@ if (BUILTIN_GTKGLEXT)
         GIT_REPOSITORY https://gitlab.gnome.org/illwieckz/gtkglext.git
         GIT_TAG ${GTKGLEXT_GIT_TAG}
         BUILD_IN_SOURCE ON
-        CONFIGURE_COMMAND export CFLAGS=${GTKGLEXT_LDFLAGS}
+        CONFIGURE_COMMAND export CC=${CMAKE_C_COMPILER}
+        CONFIGURE_COMMAND && export CFLAGS=${GTKGLEXT_LDFLAGS}
         CONFIGURE_COMMAND && export LDFLAGS=${GTKGLEXT_CFLAGS}
         CONFIGURE_COMMAND && export NOCONFIGURE=1
         CONFIGURE_COMMAND && ./autogen.sh
         CONFIGURE_COMMAND && ./configure --prefix "${BUILTINS_INSTALL_DIR}" ${CONFIGURE_OPTIONS}
         BUILD_COMMAND $(MAKE)
+        BUILD_COMMAND CC=${CMAKE_C_COMPILER}
         BUILD_COMMAND CFLAGS=${GTKGLEXT_CFLAGS}
         BUILD_COMMAND LDFLAGS=${GTKGLEXT_LDFLAGS}
         INSTALL_COMMAND $(MAKE) install
-- 
2.39.2