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Garbage collection for GCC options that are same

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... on all supported versions.

Signed-off-by: Alexey Neyman <stilor@att.net>
This commit is contained in:
Alexey Neyman 2017-02-18 18:16:25 -08:00
parent eb8c9024b4
commit f0716643b4
3 changed files with 29 additions and 99 deletions
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80
config/cc/gcc.in
View File

@ -130,11 +130,6 @@ config CC_GCC_4_8
select CC_GCC_4_8_or_later
select CC_GCC_USE_GMP_MPFR
select CC_GCC_USE_MPC
select CC_GCC_HAS_GRAPHITE
select CC_GCC_HAS_LTO
select CC_GCC_HAS_PKGVERSION_BUGURL
select CC_GCC_HAS_BUILD_ID
select CC_GCC_HAS_LNK_HASH_STYLE
select CC_GCC_HAS_LIBQUADMATH
select CC_GCC_HAS_LIBSANITIZER
select CC_SUPPORT_GOLANG
@ -147,11 +142,6 @@ config CC_GCC_4_9
select CC_GCC_4_9_or_later
select CC_GCC_USE_GMP_MPFR
select CC_GCC_USE_MPC
select CC_GCC_HAS_GRAPHITE
select CC_GCC_HAS_LTO
select CC_GCC_HAS_PKGVERSION_BUGURL
select CC_GCC_HAS_BUILD_ID
select CC_GCC_HAS_LNK_HASH_STYLE
select CC_GCC_HAS_LIBQUADMATH
select CC_GCC_HAS_LIBSANITIZER
select CC_SUPPORT_GOLANG
@ -165,11 +155,6 @@ config CC_GCC_5
select CC_GCC_5_or_later
select CC_GCC_USE_GMP_MPFR
select CC_GCC_USE_MPC
select CC_GCC_HAS_GRAPHITE
select CC_GCC_HAS_LTO
select CC_GCC_HAS_PKGVERSION_BUGURL
select CC_GCC_HAS_BUILD_ID
select CC_GCC_HAS_LNK_HASH_STYLE
select CC_GCC_HAS_LIBQUADMATH
select CC_GCC_HAS_LIBSANITIZER
select CC_GCC_HAS_LIBMPX
@ -184,11 +169,6 @@ config CC_GCC_6
select CC_GCC_6_or_later
select CC_GCC_USE_GMP_MPFR
select CC_GCC_USE_MPC
select CC_GCC_HAS_GRAPHITE
select CC_GCC_HAS_LTO
select CC_GCC_HAS_PKGVERSION_BUGURL
select CC_GCC_HAS_BUILD_ID
select CC_GCC_HAS_LNK_HASH_STYLE
select CC_GCC_HAS_LIBQUADMATH
select CC_GCC_HAS_LIBSANITIZER
select CC_GCC_HAS_LIBMPX
@ -203,63 +183,9 @@ config CC_GCC_latest
select CC_GCC_6_or_later
select CC_GCC_USE_GMP_MPFR
select CC_GCC_USE_MPC
select CC_GCC_HAS_GRAPHITE
select CC_GCC_HAS_LTO
select CC_GCC_HAS_PKGVERSION_BUGURL
select CC_GCC_HAS_BUILD_ID
select CC_GCC_HAS_LNK_HASH_STYLE
select CC_GCC_HAS_LIBQUADMATH
select CC_GCC_HAS_LIBSANITIZER
config CC_GCC_HAS_GRAPHITE
bool
# For graphite: gcc needs cloog and isl
# In >= gcc-5.x, cloog is no longer needed, but isl is.
# Prompt in config/cc/gcc.in.2
config CC_GCC_USE_GRAPHITE
bool
default y
depends on CC_GCC_HAS_GRAPHITE
select CLOOG_NEEDED if !CC_GCC_5_or_later
select ISL_NEEDED
help
Enable the GRAPHITE loop optimsations.
On some systems (eg. Cygwin), CLooG and ISL (required to enable
GRAPHITE) may not build properly (yet), so you'll have to say 'N'
here (or help debug the issues)
TODO: Is this still true on Cygwin?
# The way LTO works is a bit twisted.
# See: http://gcc.gnu.org/wiki/LinkTimeOptimization#Requirements
# Basically:
# - if binutils has plugins: LTO is handled by ld/gold by loading
# the plugin when linking
# - if binutils does not have plugins: LTO is handled by collect2
# In any case, LTO support does not depend on plugins, but takes
# advantage of it
config CC_GCC_HAS_LTO
bool
# Prompt in config/cc/gcc.in.2
config CC_GCC_USE_LTO
bool
default y
depends on CC_GCC_HAS_LTO
help
Enable the Link Time Optimisations.
config CC_GCC_HAS_PKGVERSION_BUGURL
bool
config CC_GCC_HAS_BUILD_ID
bool
config CC_GCC_HAS_LNK_HASH_STYLE
bool
# Only enable gcc's support for plugins if binutils has it as well
# They are useful only when doing LTO, but it does no harm enabling
# them even without LTO.
@ -284,12 +210,6 @@ config CC_GCC_USE_MPC
bool
select MPC_NEEDED
config CC_GCC_HAS_LIBQUADMATH
bool
config CC_GCC_HAS_LIBSANITIZER
bool
config CC_GCC_HAS_LIBMPX
bool

26
config/cc/gcc.in.2
View File

@ -96,8 +96,22 @@ config CC_GCC_SYSTEM_ZLIB
comment "Optimisation features"
# Defined in config/cc/gcc.in
# For graphite: gcc needs cloog and isl
# In >= gcc-5.x, cloog is no longer needed, but isl is.
# Prompt in config/cc/gcc.in.2
config CC_GCC_USE_GRAPHITE
prompt "Enable GRAPHITE loop optimisations"
bool "Enable GRAPHITE loop optimisations"
default y
select CLOOG_NEEDED if !CC_GCC_5_or_later
select ISL_NEEDED
help
Enable the GRAPHITE loop optimsations.
On some systems (eg. Cygwin), CLooG and ISL (required to enable
GRAPHITE) may not build properly (yet), so you'll have to say 'N'
here (or help debug the issues)
TODO: Is this still true on Cygwin?
# The way LTO works is a bit twisted.
# See: http://gcc.gnu.org/wiki/LinkTimeOptimization#Requirements
@ -107,11 +121,11 @@ config CC_GCC_USE_GRAPHITE
# - if binutils does not have plugins: LTO is handled by collect2
# In any case, LTO support does not depend on plugins, but takes
# advantage of it
# Also, only the 4.5 series needs libelf for LTO; 4.6 has dropped
# the dependency.
# Defined in config/cc/gcc.in
config CC_GCC_USE_LTO
prompt "Enable LTO"
bool "Enable LTO"
default y
help
Enable the Link Time Optimisations.
#-----------------------------------------------------------------------------
comment "Settings for libraries running on target"
@ -258,7 +272,6 @@ config CC_GCC_LDBL_128
config CC_GCC_BUILD_ID
bool
prompt "Enable build-id"
depends on CC_GCC_HAS_BUILD_ID
help
Tells GCC to pass --build-id option to the linker for all final
links (links performed without the -r or --relocatable option),
@ -271,7 +284,6 @@ config CC_GCC_BUILD_ID
choice CC_GCC_LNK_HASH_STYLE_CHOICE
bool
prompt "linker hash style"
depends on CC_GCC_HAS_LNK_HASH_STYLE
depends on BINUTILS_HAS_HASH_STYLE
config CC_GCC_LNK_HASH_STYLE_DEFAULT

22
scripts/build/cc/100-gcc.sh
View File

@ -411,10 +411,9 @@ do_gcc_core_backend() {
fi
done
if [ "${CT_CC_GCC_HAS_PKGVERSION_BUGURL}" = "y" ]; then
extra_config+=("--with-pkgversion=${CT_PKGVERSION}")
[ -n "${CT_TOOLCHAIN_BUGURL}" ] && extra_config+=("--with-bugurl=${CT_TOOLCHAIN_BUGURL}")
fi
extra_config+=("--with-pkgversion=${CT_PKGVERSION}")
[ -n "${CT_TOOLCHAIN_BUGURL}" ] && extra_config+=("--with-bugurl=${CT_TOOLCHAIN_BUGURL}")
if [ "${CT_CC_CXA_ATEXIT}" = "y" ]; then
extra_config+=("--enable-__cxa_atexit")
else
@ -493,13 +492,13 @@ do_gcc_core_backend() {
if [ "${CT_CLOOG}" = "y" ]; then
extra_config+=("--with-cloog=${complibs}")
fi
elif [ "${CT_CC_GCC_HAS_GRAPHITE}" = "y" ]; then
else
extra_config+=("--with-isl=no")
extra_config+=("--with-cloog=no")
fi
if [ "${CT_CC_GCC_USE_LTO}" = "y" ]; then
extra_config+=("--enable-lto")
elif [ "${CT_CC_GCC_HAS_LTO}" = "y" ]; then
else
extra_config+=("--disable-lto")
fi
@ -893,10 +892,9 @@ do_gcc_backend() {
done
[ "${CT_SHARED_LIBS}" = "y" ] || extra_config+=("--disable-shared")
if [ "${CT_CC_GCC_HAS_PKGVERSION_BUGURL}" = "y" ]; then
extra_config+=("--with-pkgversion=${CT_PKGVERSION}")
[ -n "${CT_TOOLCHAIN_BUGURL}" ] && extra_config+=("--with-bugurl=${CT_TOOLCHAIN_BUGURL}")
fi
extra_config+=("--with-pkgversion=${CT_PKGVERSION}")
[ -n "${CT_TOOLCHAIN_BUGURL}" ] && extra_config+=("--with-bugurl=${CT_TOOLCHAIN_BUGURL}")
case "${CT_CC_GCC_SJLJ_EXCEPTIONS}" in
y) extra_config+=("--enable-sjlj-exceptions");;
m) ;;
@ -1004,13 +1002,13 @@ do_gcc_backend() {
if [ "${CT_CLOOG}" = "y" ]; then
extra_config+=("--with-cloog=${complibs}")
fi
elif [ "${CT_CC_GCC_HAS_GRAPHITE}" = "y" ]; then
else
extra_config+=("--with-isl=no")
extra_config+=("--with-cloog=no")
fi
if [ "${CT_CC_GCC_USE_LTO}" = "y" ]; then
extra_config+=("--enable-lto")
elif [ "${CT_CC_GCC_HAS_LTO}" = "y" ]; then
else
extra_config+=("--disable-lto")
fi