From 6686d2bfa9e6189476cfdc14d77e759d80377c06 Mon Sep 17 00:00:00 2001
From: ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com>
Date: Thu, 19 May 2022 17:18:53 +0200
Subject: Wayland platform: add support of FreeBSD version 13.1

---
 configure.ac | 21 +++++++++++++++------
 1 file changed, 15 insertions(+), 6 deletions(-)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index 0d3537494..8b2b95e03 100644
--- a/configure.ac
+++ b/configure.ac
@@ -996,17 +996,26 @@ AS_CASE([$host_os_gui], [cygwin* | mingw*], [
       DSOFLAGS="$LIBS $DSOFLAGS"
       enable_pango=yes
       LIBDECORDIR="libdecor/build"
-      LDFLAGS="$LDFLAGS -rdynamic -no-pie"
+      LDFLAGS="$LDFLAGS -rdynamic"
+      AC_SUBST([UNAME])
+      UNAME="$(uname -s)"
+      AS_CASE([$UNAME], 
+         [Linux], [LDFLAGS="$LDFLAGS -no-pie"],
+         [*], [CXXFLAGS="$CXXFLAGS -I../libdecor/build"]
+      )
 
       AC_SEARCH_LIBS([dlopen], [dl])
 
       AS_IF([test x$enable_gl != xno], [
-          AC_CHECK_HEADER([GL/gl.h], [AC_DEFINE([HAVE_GL])])
-          AC_CHECK_HEADER([GL/glu.h], [
-              AC_DEFINE([HAVE_GL_GLU_H])
-              GLLIBS="$($PKGCONFIG --libs wayland-egl) $($PKGCONFIG --libs egl) $($PKGCONFIG --libs glu) $($PKGCONFIG --libs gl) $GLLIBS"
+          AS_IF([$PKGCONFIG --exists gl], [ 
+             AC_DEFINE([HAVE_GL]) 
+             GLLIBS="$($PKGCONFIG --libs wayland-egl) $($PKGCONFIG --libs egl) $($PKGCONFIG --libs gl) $GLLIBS"
           ])
-          GLWLDEMO="egl"
+          AS_IF([$PKGCONFIG --exists glu], [ 
+             AC_DEFINE([HAVE_GL_GLU_H]) 
+             GLLIBS="$($PKGCONFIG --libs glu) $GLLIBS"
+          ])
+           GLWLDEMO="egl"
       ], [
           LINKFLTKGL=""
           GLLIBNAME=""
-- 
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