Dear SeaBIOS folks,
Am Sonntag, den 23.10.2016, 20:57 +0200 schrieb Paul Menzel: > Date: Sun, 23 Oct 2016 18:56:28 +0200 > > Debian enables PIE hardening flags by default since package gcc-6 > 6.2.0-7 [1]. > > With that change, SeaBIOS fails to build with the error below [2][3]. > > ``` > $ make > Build Kconfig config file > Compile checking out/src/misc.o > Compile checking out/src/stacks.o > src/stacks.c: Assembler messages: > src/stacks.c:567: Error: found '(', expected: ')' > src/stacks.c:567: Error: junk `(%ebp))' after expression > src/stacks.c:568: Warning: indirect call without `*' > Makefile:133: die Regel für Ziel „out/src/stacks.o“ scheiterte > make: *** [out/src/stacks.o] Fehler 1 > ``` > > Passing `no-pic` to the compiler fixes this issue. > > [1] https://bugs.debian.org/835148 > [2] https://bugs.debian.org/841546 > [3] https://www.seabios.org/pipermail/seabios/2016-October/010980.html > "Build failure with GCC 6 from Debian Sid/unstable" > > Signed-off-by: Paul Menzel <paulepan...@users.sourceforge.net> > --- > Makefile | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/Makefile b/Makefile > index 41bfcf4..4a20631 100644 > --- a/Makefile > +++ b/Makefile > @@ -61,7 +61,8 @@ COMMONCFLAGS := -I$(OUT) -Isrc -Os -MD -g \ > -m32 -march=i386 -mregparm=3 -mpreferred-stack-boundary=2 \ > -minline-all-stringops -fomit-frame-pointer \ > -freg-struct-return -ffreestanding -fno-delete-null-pointer-checks \ > - -ffunction-sections -fdata-sections -fno-common -fno-merge-constants > + -ffunction-sections -fdata-sections -fno-common -fno-merge-constants \ > + -fno-pic > COMMONCFLAGS += $(call cc-option,$(CC),-nopie,) > COMMONCFLAGS += $(call cc-option,$(CC),-fno-stack-protector,) Using ``` COMMONCFLAGS += $(call cc-option,$(CC),-fno-pic,) ``` did not work for whatever reason. > COMMONCFLAGS += $(call cc-option,$(CC),-fno-stack-protector-all,) Thanks, Paul
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