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build: Require libepoxy

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If we want to use OpenGL in GDK then we have two choices; either:

  - find the GL headers on each platform
  - do extension discovery
  - implement all the crazy dlopen()/dlsym() dispatch tables

*or* use libepoxy, which shields us from all this madness and provides a
decent layer for GL clients to use, without creating its own namespace.

Epoxy is also used by other projects, like Xorg and piglit, and it's
portable to all the platforms GDK cares about.

https://bugzilla.gnome.org/show_bug.cgi?id=119189
This commit is contained in:
Emmanuele Bassi 2014-07-02 13:15:01 +01:00 committed by Matthias Clasen
parent 493aa4e9b3
commit 892c6bd6f9
1 changed files with 2 additions and 1 deletions
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3
configure.ac
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@ -48,6 +48,7 @@ m4_define([cairo_required_version], [1.12.0])
m4_define([gdk_pixbuf_required_version], [2.30.0])
m4_define([introspection_required_version], [1.39.0])
m4_define([wayland_required_version], [1.5.91])
m4_define([epoxy_required_version], [1.0])
GLIB_REQUIRED_VERSION=glib_required_version
PANGO_REQUIRED_VERSION=pango_required_version
ATK_REQUIRED_VERSION=atk_required_version
@ -1326,7 +1327,7 @@ CFLAGS="$saved_cflags"
LDFLAGS="$saved_ldflags"
GDK_PACKAGES="$PANGO_PACKAGES gdk-pixbuf-2.0 >= gdk_pixbuf_required_version cairo >= cairo_required_version cairo-gobject >= cairo_required_version"
GDK_PRIVATE_PACKAGES="$GDK_GIO_PACKAGE $X_PACKAGES $WAYLAND_PACKAGES $cairo_backends"
GDK_PRIVATE_PACKAGES="$GDK_GIO_PACKAGE $X_PACKAGES $WAYLAND_PACKAGES $cairo_backends epoxy >= epoxy_required_version"
if test "x$enable_x11_backend" = xyes; then
GDK_PRIVATE_PACKAGES="$GDK_PRIVATE_PACKAGES pangoft2"
fi