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package/celt051: Add patch to fix musl build

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musl does not define __GNUC_PREREQ. Use patch from Alpine Linux
(http://git.alpinelinux.org/cgit/aports/plain/main/celt051/fix-gnuc-prereq.patch).

Fixes http://autobuild.buildroot.net/results/223/223ba6003bdd7e0c896455c21fa8fee943b4e716/

Signed-off-by: Jörg Krause <joerg.krause@embedded.rocks>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Jörg Krause 2015-04-30 21:14:55 +02:00 committed by Thomas Petazzoni
parent 07ea3e1e07
commit 0e9a2a9aad
1 changed files with 29 additions and 0 deletions
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package/celt051/0001-fix-gnuc-prereq.patch Normal file
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@ -0,0 +1,29 @@
Fix musl build
musl does not define __GNUC_PREREQ. Use patch from Alpine Linux
(http://git.alpinelinux.org/cgit/aports/plain/main/celt051/fix-gnuc-prereq.patch).
Fixes http://autobuild.buildroot.net/results/223/223ba6003bdd7e0c896455c21fa8fee943b4e716/
Signed-off-by: Jörg Krause <joerg.krause@embedded.rocks>
--- celt-0.5.1.3.orig/libcelt/ecintrin.h
+++ celt-0.5.1.3/libcelt/ecintrin.h
@@ -52,8 +52,7 @@
/*Count leading zeros.
This macro should only be used for implementing ec_ilog(), if it is defined.
All other code should use EC_ILOG() instead.*/
-#ifdef __GNUC_PREREQ
-#if __GNUC_PREREQ(3,4)
+#if defined(__GNUC__) && ((__GNUC__<<16)+__GNUC_MINOR__) >= 0x304
# if INT_MAX>=2147483647
# define EC_CLZ0 sizeof(unsigned)*CHAR_BIT
# define EC_CLZ(_x) (__builtin_clz(_x))
@@ -61,7 +60,6 @@
# define EC_CLZ0 sizeof(unsigned long)*CHAR_BIT
# define EC_CLZ(_x) (__builtin_clzl(_x))
# endif
-#endif
#endif
#if defined(EC_CLZ)