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authorChris Wilson <chris@chris-wilson.co.uk>2009-09-13 23:16:57 +0100
committerChris Wilson <chris@chris-wilson.co.uk>2009-09-13 23:16:57 +0100
commit9ad26f74b0059645d865a20c387fa4bd460cabc8 (patch)
tree23ca1c9ad78ba0fd6dd694b2d68ddd243879b703 /configure.ac
parent71c3b2888cc81e6d55782388d14bb8d806e77d07 (diff)
[configure] Fallback to detect OpenGL headers
When not using mesa, we can not rely on a pkgconfig file, so just rely on the presence of the OpenGL headers instead.
Diffstat (limited to 'configure.ac')
-rw-r--r--configure.ac11
1 files changed, 8 insertions, 3 deletions
diff --git a/configure.ac b/configure.ac
index 18f0d406..8b1da1fb 100644
--- a/configure.ac
+++ b/configure.ac
@@ -242,8 +242,13 @@ CAIRO_ENABLE_FUNCTIONS(png, PNG, yes, [
dnl ===========================================================================
CAIRO_ENABLE_SURFACE_BACKEND(gl, OpenGL, no, [
gl_REQUIRES="gl"
- PKG_CHECK_MODULES(gl, $gl_REQUIRES, , [AC_MSG_RESULT(no)
- use_gl="no (requires gl.pc)"])
+ PKG_CHECK_MODULES(gl, $gl_REQUIRES,, [
+ dnl Fallback to searching for headers
+ AC_CHECK_HEADER(GL/gl.h,, [use_gl="no (gl.pc nor OpenGL headers not found)"])
+ if test "x$use_gl" = "xyes"; then
+ gl_NONPKGCONFIG_CFLAGS=
+ gl_NONPKGCONFIG_LIBS="-lGL"
+ fi])
AC_CHECK_LIB(GLEW, glewInit, [
AC_CHECK_HEADER(GL/glew.h, [], [
@@ -252,7 +257,7 @@ CAIRO_ENABLE_SURFACE_BACKEND(gl, OpenGL, no, [
], [
use_gl="no (requires glew http://glew.sourceforge.net/)"
])
- gl_NONPKGCONFIG_LIBS="-lGLEW"
+ gl_NONPKGCONFIG_LIBS="-lGLEW $gl_NONPKGCONFIG_LIBS"
need_glx_functions=yes
need_eagle_functions=yes
])