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build: nmk -- Filter out -Wl flags from linking builtin targets

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Tycho reported that Debian uses custom LDFLAGS to
build criu, this flag get propagated into built-in
targets where we use $(LD) instead causing build
procedure to interrupt

|  LINK     arch/x86/syscalls.built-in.o
| ld: unrecognized option '-Wl,-Bsymbolic-functions'
| ld: use the --help option for usage information
| /«PKGBUILDDIR»/scripts/nmk/scripts/build.mk:141: recipe for target 'arch/x86/syscalls.built-in.o' failed

Lets make maintainers life easier and filter
out the flags we know never accepted by $(LD).

Reported-by: Tycho Andersen <tycho.andersen@canonical.com>
Tested-by: Tycho Andersen <tycho.andersen@canonical.com>
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Reviewed-by: Dmitry Safonov <dsafonov@virtuozzo.com>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
This commit is contained in:
Cyrill Gorcunov 2016-06-30 18:46:00 +03:00 • committed by Pavel Emelyanov
parent ffe90e0b9e
commit 7b8b418edf
1 changed files with 9 additions and 0 deletions
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9
scripts/nmk/scripts/build.mk
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@ -24,6 +24,15 @@ ifndef obj
$(error obj is undefined)
endif
#
# Filter out any -Wl,XXX option: some of build farms
# assumes that we're using $(CC) for building built-in
# targets (and they have all rights to). But we're
# using $(LD) directly instead so filter out -Wl
# flags to make maintainer's life easier.
LDFLAGS-MASK := -Wl,%
LDFLAGS := $(filter-out $(LDFLAGS-MASK),$(LDFLAGS))
#
# Accumulate common flags.
define nmk-ccflags