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build: Check VK_HEADER_VERSION.

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Signed-off-by: Józef Kucia <jkucia@codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Józef Kucia
2018-10-29 11:12:14 +01:00
committed by Alexandre Julliard
parent a08dadde32
commit 93676365b7
2 changed files with 20 additions and 0 deletions
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18
m4/vulkan.m4 Normal file
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dnl VKD3D_CHECK_VULKAN_HEADER_VERSION
AC_DEFUN([VKD3D_CHECK_VULKAN_HEADER_VERSION],
[AS_VAR_PUSHDEF([vkd3d_vk_version], vkd3d_cv_vk_header_version_[[$1]])
AC_CACHE_CHECK([whether VK_HEADER_VERSION >= [$1]], vkd3d_vk_version,
[AC_LINK_IFELSE(
[AC_LANG_SOURCE([#include <vulkan/vulkan.h>
#if VK_HEADER_VERSION < $1
#error "Vulkan headers are too old"
#endif
int main(void) { return 0; }])],
[AS_VAR_SET([vkd3d_vk_version], [yes])],
[AS_VAR_SET([vkd3d_vk_version], [no])])])
AS_IF([test "x$vkd3d_vk_version" != "xyes"], [$2])
AS_VAR_POPDEF([vkd3d_vk_version])])