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commit: dc95bdeba8feeaefea57bc1c81f5473415616e1a |
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Author: Mike Frysinger <vapier <AT> gentoo <DOT> org> |
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AuthorDate: Sat Dec 19 21:36:18 2015 +0000 |
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Commit: Mike Frysinger <vapier <AT> gentoo <DOT> org> |
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CommitDate: Sat Dec 19 23:28:59 2015 +0000 |
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URL: https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=dc95bdeb |
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|
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sys-devel/gcc: add support for USE=jit #568834 |
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|
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eclass/toolchain.eclass | 10 ++++++++++ |
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sys-devel/gcc/metadata.xml | 2 ++ |
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2 files changed, 12 insertions(+) |
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|
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diff --git a/eclass/toolchain.eclass b/eclass/toolchain.eclass |
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index 43fa8bf..b18d418 100644 |
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--- a/eclass/toolchain.eclass |
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+++ b/eclass/toolchain.eclass |
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@@ -152,6 +152,7 @@ if [[ ${PN} != "kgcc64" && ${PN} != gcc-* ]] ; then |
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# the older versions, we don't want to bother supporting it. #448024 |
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tc_version_is_at_least 4.8 && IUSE+=" graphite" IUSE_DEF+=( sanitize ) |
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tc_version_is_at_least 4.9 && IUSE+=" cilk" |
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+ tc_version_is_at_least 5.0 && IUSE+=" jit" |
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tc_version_is_at_least 6.0 && IUSE+=" pie +ssp" |
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fi |
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|
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@@ -841,6 +842,7 @@ toolchain_src_configure() { |
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is_d && GCC_LANG+=",d" |
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is_gcj && GCC_LANG+=",java" |
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is_go && GCC_LANG+=",go" |
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+ is_jit && GCC_LANG+=",jit" |
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if is_objc || is_objcxx ; then |
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GCC_LANG+=",objc" |
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if tc_version_is_at_least 4 ; then |
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@@ -904,6 +906,9 @@ toolchain_src_configure() { |
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confgcc+=( --enable-libstdcxx-time ) |
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fi |
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|
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+ # The jit language requires this. |
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+ is_jit && confgcc+=( --enable-host-shared ) |
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+ |
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# # Turn on the -Wl,--build-id flag by default for ELF targets. #525942 |
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# # This helps with locating debug files. |
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# case ${CTARGET} in |
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@@ -2155,6 +2160,11 @@ is_go() { |
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use cxx && use_if_iuse go |
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} |
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|
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+is_jit() { |
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+ gcc-lang-supported jit || return 1 |
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+ use_if_iuse jit |
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+} |
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+ |
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is_multilib() { |
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tc_version_is_at_least 3 || return 1 |
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use multilib |
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|
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diff --git a/sys-devel/gcc/metadata.xml b/sys-devel/gcc/metadata.xml |
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index 29330fe..2e74979 100644 |
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--- a/sys-devel/gcc/metadata.xml |
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+++ b/sys-devel/gcc/metadata.xml |
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@@ -12,6 +12,8 @@ |
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<flag name="go">Build the GCC Go language frontend.</flag> |
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<flag name="graphite">Add support for the framework for loop |
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optimizations based on a polyhedral intermediate representation</flag> |
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+ <flag name="jit">Enable libgccjit so other applications can embed gcc for Just-In-Time compilation. |
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+ This will slow down the compiler a bit as it forces all of the toolchain to be shared libs.</flag> |
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<flag name="libssp">Build SSP support into a dedicated library rather than use the |
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code in the C library (DO NOT ENABLE THIS IF YOU DON'T KNOW WHAT IT DOES)</flag> |
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<flag name="mudflap">Add support for mudflap, a pointer use checking library</flag> |
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