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libraw: fix build with old glibc versions

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Prior to glibc 2.18, definitions like SIZE_MAX or INT_FAST32_MAX from
<stdint.h> were only made available for C code, or in C++ if
__STDC_LIMIT_MACROS was defined.

The code from jasper uses such definitions, without defining
__STDC_LIMIT_MACROS. Unfortunately, defining __STDC_LIMIT_MACROS in
the jasper headers doesn't work, since <stdint.h> has already been
included before, at a point where __STDC_LIMIT_MACROS was not defined.

So to solve this problem, we simply pass -D__STDC_LIMIT_MACROS in
CXXFLAGS when building libraw with jasper support.

Fixes:

  http://autobuild.buildroot.net/results/908aef6c82d56060933713df217b6b2ba21a01b0/

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Thomas Petazzoni 2017-02-16 09:23:51 +01:00
parent dd6893adad
commit d246cf5fd0
1 changed files with 5 additions and 0 deletions
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5
package/libraw/libraw.mk
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@ -21,10 +21,15 @@ LIBRAW_CONF_OPTS += \
LIBRAW_LICENSE = LGPLv2.1 or CDDL 1.0 or LibRaw Software License 27032010
LIBRAW_LICENSE_FILES = LICENSE.LGPL LICENSE.CDDL LICENSE.LibRaw.pdf README
LIBRAW_DEPENDENCIES = host-pkgconf
LIBRAW_CXXFLAGS = $(TARGET_CXXFLAGS)
LIBRAW_CONF_ENV = CXXFLAGS="$(LIBRAW_CXXFLAGS)"
ifeq ($(BR2_PACKAGE_JASPER),y)
LIBRAW_CONF_OPTS += --enable-jasper
LIBRAW_DEPENDENCIES += jasper
# glibc prior to 2.18 only defines constants such as SIZE_MAX or
# INT_FAST32_MAX for C++ code if __STDC_LIMIT_MACROS is defined
LIBRAW_CXXFLAGS += -D__STDC_LIMIT_MACROS
else
LIBRAW_CONF_OPTS += --disable-jasper
endif