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package/libdrm: fix building if GCC's C standard is not gnu99

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Fixes
checking for /home/fli4l/buildroot/output/host/usr/bin/i586-buildroot-linux-uclibc-gcc option to accept ISO C99... unsupported
configure: error: Building libdrm requires C99 enabled compiler

using this defconfig
BR2_KERNEL_HEADERS_4_0=y
BR2_BINUTILS_VERSION_2_25=y
BR2_TOOLCHAIN_BUILDROOT_CXX=y
BR2_PACKAGE_LIBDRM=y

Patch inspired by
http://git.buildroot.net/buildroot/commit/?id=5cf5b390385fb6325485e37dc9d38e1e3ac1f091

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Bernd Kuhls 2015-07-02 20:05:02 +02:00 committed by Thomas Petazzoni
parent 0d67ffe596
commit 24147efb21
1 changed files with 2 additions and 0 deletions
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2
package/libdrm/libdrm.mk
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@ -19,6 +19,8 @@ LIBDRM_CONF_OPTS = \
--disable-cairo-tests \
--disable-manpages
LIBDRM_CONF_ENV = ac_cv_prog_cc_c99='-std=gnu99'
ifeq ($(BR2_PACKAGE_LIBDRM_INTEL),y)
LIBDRM_CONF_OPTS += --enable-intel
LIBDRM_DEPENDENCIES += libatomic_ops libpciaccess