[PATCH vkd3d 4/5] build: Make it possible to disable building the demos.

[Chip Davis]

Signed-off-by: Chip Davis <cdavis at codeweavers.com>
---
 Makefile.am  |  4 ++++
 configure.ac | 12 ++++++++++++
 2 files changed, 16 insertions(+)

diff --git a/Makefile.am b/Makefile.am
index ff7abb0..7723fad 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -131,16 +131,20 @@ TESTS = $(vkd3d_tests) $(vkd3d_cross_tests)
 tests_d3d12_LDADD = $(LDADD) @PTHREAD_LIBS@
 tests_vkd3d_api_LDADD = libvkd3d.la @VULKAN_LIBS@
 
+if BUILD_DEMOS
 DEMOS_LDADD = $(LDADD) libvkd3d-shader.la @XCB_LIBS@ @VULKAN_LIBS@
 DEMOS_CFLAGS = $(AM_CFLAGS) @XCB_CFLAGS@
 noinst_PROGRAMS += $(vkd3d_demos)
+endif
 EXTRA_DIST += $(vkd3d_test_headers) $(vkd3d_demos_headers)
 
+if BUILD_DEMOS
 demos_gears_CFLAGS = $(DEMOS_CFLAGS)
 demos_gears_LDADD = $(DEMOS_LDADD) -lm
 
 demos_triangle_CFLAGS = $(DEMOS_CFLAGS)
 demos_triangle_LDADD = $(DEMOS_LDADD)
+endif
 
 VKD3D_V_WIDL = $(vkd3d_v_widl_ at AM_V@)
 vkd3d_v_widl_ = $(vkd3d_v_widl_ at AM_DEFAULT_V@)
diff --git a/configure.ac b/configure.ac
index 2773a15..7c2a560 100644
--- a/configure.ac
+++ b/configure.ac
@@ -86,6 +86,18 @@ AS_IF([test "x$with_spirv_tools" = "xyes"],
       HAVE_SPIRV_TOOLS=yes])])
 
 PKG_CHECK_MODULES([XCB], [xcb xcb-keysyms])
+case $host_os in
+  darwin*|macosx*)
+    enable_demos_default=no
+    ;;
+  *)
+    enable_demos_default=yes
+    ;;
+esac
+
+AC_ARG_ENABLE([demos], AS_HELP_STRING([--enable-demos], [Build demo programs]),,
+              [enable_demos=$enable_demos_default])
+AM_CONDITIONAL(BUILD_DEMOS, [test "x$enable_demos" != "xno"])
 
 dnl Check for functions
 VKD3D_CHECK_FUNC([HAVE_BUILTIN_CLZ], [__builtin_clz], [__builtin_clz(0)])
-- 
2.18.0