87 lines
2.9 KiB
Diff
87 lines
2.9 KiB
Diff
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Taken from Gentoo and adapted to fix the build using GCC 10. See:
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https://bugs.gentoo.org/705730.
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--- a/mk/com32.mk
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+++ b/mk/com32.mk
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@@ -47,6 +47,7 @@ GCCOPT += $(call gcc_ok,-falign-functions=0,-malign-functions=0)
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GCCOPT += $(call gcc_ok,-falign-jumps=0,-malign-jumps=0)
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GCCOPT += $(call gcc_ok,-falign-labels=0,-malign-labels=0)
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GCCOPT += $(call gcc_ok,-falign-loops=0,-malign-loops=0)
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+GCCOPT += $(call gcc_ok,-fcommon)
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ifeq ($(FWCLASS),EFI)
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GCCOPT += -mno-red-zone
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--- a/mk/elf.mk
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+++ b/mk/elf.mk
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@@ -42,6 +42,7 @@ GCCOPT += $(call gcc_ok,-falign-functions=0,-malign-functions=0)
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GCCOPT += $(call gcc_ok,-falign-jumps=0,-malign-jumps=0)
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GCCOPT += $(call gcc_ok,-falign-labels=0,-malign-labels=0)
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GCCOPT += $(call gcc_ok,-falign-loops=0,-malign-loops=0)
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+GCCOPT += $(call gcc_ok,-fcommon)
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com32 = $(topdir)/com32
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core = $(topdir)/core
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--- a/mk/embedded.mk
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+++ b/mk/embedded.mk
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@@ -51,6 +51,7 @@ GCCOPT += $(call gcc_ok,-falign-jumps=0,-malign-jumps=0)
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GCCOPT += $(call gcc_ok,-falign-labels=0,-malign-labels=0)
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GCCOPT += $(call gcc_ok,-falign-loops=0,-malign-loops=0)
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GCCOPT += $(call gcc_ok,-fvisibility=hidden)
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+GCCOPT += $(call gcc_ok,-fcommon)
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LIBGCC := $(shell $(CC) $(GCCOPT) --print-libgcc)
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--- a/mk/lib.mk
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+++ b/mk/lib.mk
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@@ -28,6 +28,7 @@ GCCOPT += $(call gcc_ok,-falign-functions=0,-malign-functions=0)
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GCCOPT += $(call gcc_ok,-falign-jumps=0,-malign-jumps=0)
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GCCOPT += $(call gcc_ok,-falign-labels=0,-malign-labels=0)
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GCCOPT += $(call gcc_ok,-falign-loops=0,-malign-loops=0)
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+GCCOPT += $(call gcc_ok,-fcommon)
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INCLUDE = -I$(SRC)
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STRIP = strip --strip-all -R .comment -R .note
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--- a/mk/efi.mk
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+++ b/mk/efi.mk
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@@ -7,7 +7,7 @@ core = $(topdir)/core
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# Set up architecture specifics; for cross compilation, set ARCH as apt
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# gnuefi sets up architecture specifics in ia32 or x86_64 sub directories
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# set up the LIBDIR and EFIINC for building for the appropriate architecture
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-GCCOPT := $(call gcc_ok,-fno-stack-protector,)
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+GCCOPT := $(call gcc_ok,-fno-stack-protector,) $(call gcc_ok,-fcommon)
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EFIINC = $(objdir)/include/efi
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LIBDIR = $(objdir)/lib
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diff --git a/dos/string.h b/dos/string.h
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index f648de2..a502132 100644
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--- a/dos/string.h
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+++ b/dos/string.h
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@@ -5,12 +5,13 @@
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#ifndef _STRING_H
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#define _STRING_H
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+#include <stddef.h>
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+
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/* Standard routines */
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#define memcpy(a,b,c) __builtin_memcpy(a,b,c)
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#define memmove(a,b,c) __builtin_memmove(a,b,c)
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#define memset(a,b,c) __builtin_memset(a,b,c)
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#define strcpy(a,b) __builtin_strcpy(a,b)
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-#define strlen(a) __builtin_strlen(a)
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/* This only returns true or false */
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static inline int memcmp(const void *__m1, const void *__m2, unsigned int __n)
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@@ -21,6 +22,13 @@ static inline int memcmp(const void *__m1, const void *__m2, unsigned int __n)
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return rv;
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}
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+static inline size_t strlen(const char *s)
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+{
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+ size_t len = 0;
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+ while (*s++) len++;
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+ return len;
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+}
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+
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extern char *strchr(const char *s, int c);
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#endif /* _STRING_H */
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