forked from rpms/glibc
Inherit as many flags as possible from redhat-rpm-config
This commit is contained in:
Florian Weimer
parent
ee109af432
commit
081ef32d63
131
glibc.spec
131
glibc.spec
@ -791,98 +791,38 @@ df
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GCC=gcc
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GXX=g++
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##############################################################################
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# %%build - x86 options.
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##############################################################################
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# On x86 we build for the specific target cpu rpm is using.
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%ifarch %{ix86}
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BuildFlags="-march=%{_target_cpu} -mtune=generic"
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%endif
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# We don't support building for i386. The generic i386 architecture lacks the
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# atomic primitives required for NPTL support. However, when a user asks to
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# build for i386 we interpret that as "for whatever works on x86" and we
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# select i686. Thus we treat i386 as an alias for i686.
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%ifarch i386 i686
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BuildFlags="-march=i686 -mtune=generic"
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%endif
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%ifarch i486 i586
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BuildFlags="$BuildFlags -mno-tls-direct-seg-refs"
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%endif
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%ifarch x86_64
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BuildFlags="-mtune=generic"
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%endif
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# True if the compiler flag in the first argument is listed in
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# redhat-rpm-config.
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rpm_has_compiler_flag ()
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{
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echo " $RPM_OPT_FLAGS $RPM_LD_FLAGS " | grep -q -F " $1 "
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}
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##############################################################################
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# %%build - s390 options.
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##############################################################################
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# The default is to tune for z13 (newer hardware), but build for zEC12.
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%ifarch s390x
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BuildFlags="-march=zEC12 -mtune=z13"
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%endif
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%ifarch s390
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BuildFlags="-march=zEC12 -mtune=z13"
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GCC="$GCC -m31"
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GXX="$GXX -m31"
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%endif
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# Propagates the listed flags to BuildFlags if supplied by redhat-rpm-config.
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BuildFlags="-O2 -g"
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rpm_inherit_flags ()
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{
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local flag
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for flag in "$@" ; do
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if rpm_has_compiler_flag "$flag" ; then
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BuildFlags="$BuildFlags $flag"
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fi
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done
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}
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##############################################################################
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# %%build - SPARC options.
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##############################################################################
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%ifarch sparc
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BuildFlags="-fcall-used-g6"
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GCC="$GCC -m32"
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GXX="$GXX -m32"
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%endif
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%ifarch sparcv9
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BuildFlags="-mcpu=ultrasparc -fcall-used-g6"
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GCC="$GCC -m32"
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GXX="$GXX -m32"
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%endif
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%ifarch sparcv9v
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BuildFlags="-mcpu=niagara -fcall-used-g6"
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GCC="$GCC -m32"
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GXX="$GXX -m32"
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%endif
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%ifarch sparc64
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BuildFlags="-mcpu=ultrasparc -mvis -fcall-used-g6"
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GCC="$GCC -m64"
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GXX="$GXX -m64"
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%endif
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%ifarch sparc64v
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BuildFlags="-mcpu=niagara -mvis -fcall-used-g6"
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GCC="$GCC -m64"
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GXX="$GXX -m64"
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%endif
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# Propgate select compiler flags from redhat-rpm-config. These flags
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# are target-dependent, so we use only those which are specified in
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# redhat-rpm-config. We do not replicate the -march=/-mtune=
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# selection here because these match the defaults compiled into GCC.
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# We keep the -m32/-m32/-m64 flags to support multilib builds.
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##############################################################################
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# %%build - POWER options.
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##############################################################################
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%ifarch %{power64}
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BuildFlags=""
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GCC="$GCC -m64"
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GXX="$GXX -m64"
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%ifarch ppc64p7
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GCC="$GCC -mcpu=power7 -mtune=power7"
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GXX="$GXX -mcpu=power7 -mtune=power7"
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core_with_options="--with-cpu=power7"
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%endif
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%ifarch ppc64le
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GCC="$GCC -mcpu=power8 -mtune=power8"
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GXX="$GXX -mcpu=power8 -mtune=power8"
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core_with_options="--with-cpu=power8"
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%endif
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%endif
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##############################################################################
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# %%build - MIPS options.
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##############################################################################
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%ifarch mips mipsel
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BuildFlags="-march=mips32r2 -mfpxx"
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%endif
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%ifarch mips64 mips64el
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# Without -mrelax-pic-calls ld.so segfaults when built with -O3
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BuildFlags="-march=mips64r2 -mabi=64 -mrelax-pic-calls"
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%endif
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rpm_inherit_flags \
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"-fasynchronous-unwind-tables" \
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"-fstack-clash-protection" \
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"-funwind-tables" \
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"-m31" \
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"-m32" \
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"-m64" \
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##############################################################################
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# %%build - Generic options.
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@ -901,19 +841,12 @@ echo "$GCC" > Gcc
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##############################################################################
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build()
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{
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builddir=build-%{target}${1:+-$1}
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local builddir=build-%{target}${1:+-$1}
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${1+shift}
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rm -rf $builddir
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mkdir $builddir
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pushd $builddir
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build_CFLAGS="$BuildFlags -g -O2 $*"
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%ifnarch %{arm} riscv64
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build_CFLAGS="$build_CFLAGS -fstack-clash-protection"
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%endif
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# Some configure checks can spuriously fail for some architectures if
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# unwind info is present
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configure_CFLAGS="$build_CFLAGS -fno-asynchronous-unwind-tables"
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../configure CC="$GCC" CXX="$GXX" CFLAGS="$configure_CFLAGS" \
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../configure CC="$GCC" CXX="$GXX" CFLAGS="$BuildFlags $*" \
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--prefix=%{_prefix} \
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--with-headers=%{_prefix}/include $EnableKernel \
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--enable-bind-now \
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@ -938,7 +871,7 @@ build()
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--disable-nss-crypt ||
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{ cat config.log; false; }
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make %{?_smp_mflags} -O -r CFLAGS="$build_CFLAGS"
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make %{?_smp_mflags} -O -r
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popd
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}
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