7b3702e2dd
Successfully tested both the gcc4 compiler on x86_64 with a simple program (fbdebug) and the gcc4-armhf cross-compiler to build a very old u-boot port for Galaxy Nexus (a MR will follow soon) which failed to boot with either newer version (6 and 8). [skip ci]: already went through
27 lines
909 B
Diff
27 lines
909 B
Diff
Fix conflicting prototype of posix_memalign for c++
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http://www.openwall.com/lists/musl/2013/11/10/1
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--- ./gcc/config/i386/pmm_malloc.h.orig
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+++ ./gcc/config/i386/pmm_malloc.h
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@@ -28,11 +28,7 @@
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/* We can't depend on <stdlib.h> since the prototype of posix_memalign
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may not be visible. */
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-#ifndef __cplusplus
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-extern int posix_memalign (void **, size_t, size_t);
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-#else
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-extern "C" int posix_memalign (void **, size_t, size_t) throw ();
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-#endif
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+extern int __gcc_posix_memalign (void **, size_t, size_t) __asm__("posix_memalign");
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static __inline void *
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_mm_malloc (size_t size, size_t alignment)
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@@ -42,7 +38,7 @@
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return malloc (size);
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if (alignment == 2 || (sizeof (void *) == 8 && alignment == 4))
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alignment = sizeof (void *);
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- if (posix_memalign (&ptr, alignment, size) == 0)
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+ if (__gcc_posix_memalign (&ptr, alignment, size) == 0)
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return ptr;
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else
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return NULL;
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