diff options
Diffstat (limited to 'sys-boot/aboot/files/aboot-gnu90.patch')
-rw-r--r-- | sys-boot/aboot/files/aboot-gnu90.patch | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/sys-boot/aboot/files/aboot-gnu90.patch b/sys-boot/aboot/files/aboot-gnu90.patch new file mode 100644 index 000000000000..2fb4b87f6b2c --- /dev/null +++ b/sys-boot/aboot/files/aboot-gnu90.patch @@ -0,0 +1,26 @@ +This patch fixes multiple definitions of 'extern inline' functions. + +c99 and gnu90 have slightly different semantics +WRT symbol definition: http://www.greenend.org.uk/rjk/tech/inline.html + +gcc-4 defaults to gnu90 and works, gcc-6 defaults to gnu-99 +and fails to link aboot as: + alpha-unknown-linux-gnu-ld: Disabling relaxation: it will not work with multiple definitions + lib/libaboot.a(isolib.o): In function `prefetchw': + (.text+0x60): multiple definition of `prefetchw' + fs/ext2.o:(.text+0xe68): first defined here + +The change is to force gnu90 explicitly. +diff --git a/Makefile b/Makefile +index b4245af..634ac87 100644 +--- a/Makefile ++++ b/Makefile +@@ -40,6 +40,6 @@ ifeq ($(TESTING),) + CPPFLAGS = $(CFGDEFS) -I$(TOP)/include -I$(KSRC)/include +-CFLAGS = $(CPPFLAGS) -D__KERNEL__ -Os -Wall -fno-builtin -mno-fp-regs ++CFLAGS = $(CPPFLAGS) -std=gnu90 -D__KERNEL__ -Os -Wall -fno-builtin -mno-fp-regs + else + CPPFLAGS = -DTESTING $(CFGDEFS) -I$(TOP)/include -I$(KSRC)/include +-CFLAGS = $(CPPFLAGS) -O -g3 -Wall -D__KERNEL__ -ffixed-8 ++CFLAGS = $(CPPFLAGS) -std=gnu90 -O -g3 -Wall -D__KERNEL__ -ffixed-8 + endif |