mirror of
https://github.com/archlinuxarm/PKGBUILDs.git
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109 lines
4.5 KiB
Diff
109 lines
4.5 KiB
Diff
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From e1ce2351f5c00dd90104e0f4ce3bf176da28af08 Mon Sep 17 00:00:00 2001
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From: Evangelos Foutras <evangelos@foutrelis.com>
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Date: Thu, 10 Feb 2022 05:15:01 +0200
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Subject: [PATCH] Make link time optimization flags configurable
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We want to use -flto=auto in Arch Linux to speed up building, but we
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can't hardcode it in buildenv/lto.sh because other downstreams might
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have clang < 13.0.0 which did not recognize -flto=auto as equivalent
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to -flto=full.
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Introducing an LTOFLAGS variable to makepkg.conf seems the way to go.
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Signed-off-by: Allan McRae <allan@archlinux.org>
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---
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doc/makepkg.conf.5.asciidoc | 10 ++++++++--
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etc/makepkg.conf.in | 1 +
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scripts/libmakepkg/buildenv/buildflags.sh.in | 2 +-
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scripts/libmakepkg/buildenv/lto.sh.in | 6 +++---
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scripts/libmakepkg/lint_config/variable.sh.in | 8 ++++----
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5 files changed, 17 insertions(+), 10 deletions(-)
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diff --git a/doc/makepkg.conf.5.asciidoc b/doc/makepkg.conf.5.asciidoc
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index 39c5c808..a0d9a6d4 100644
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--- a/doc/makepkg.conf.5.asciidoc
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+++ b/doc/makepkg.conf.5.asciidoc
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@@ -81,6 +81,11 @@ Options
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usage resembling ``-Wl,--hash-style=gnu''. Read ld(1) for more details on
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available linker flags.
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+**LTOFLAGS=**"ltoflags"::
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+ Additional compiler and linker flags appended to `CFLAGS`, `CXXFLAGS`
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+ and `LDFLAGS` when building with link time optimization. If empty,
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+ ``-flto'' is used.
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+
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**MAKEFLAGS=**"makeflags"::
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This is often used to set the number of jobs used; for example, `-j2`.
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Other flags that make accepts can also be passed.
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@@ -190,8 +195,9 @@ Options
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package containing the debug symbols when used with `strip'.
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*lto*;;
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- Enable building packages using link time optimization. Adds '-flto'
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- to both CFLAGS and CXXFLAGS.
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+ Enable building packages using link time optimization. Adds the
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+ flags specified in LTOFLAGS to CFLAGS, CXXFLAGS and LDFLAGS (or
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+ ``-flto'' if LTOFLAGS is empty).
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*autodep*;;
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Enable the automatic addition of libraries to the depends and
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diff --git a/etc/makepkg.conf.in b/etc/makepkg.conf.in
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index 0c911cce..edc5f442 100644
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--- a/etc/makepkg.conf.in
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+++ b/etc/makepkg.conf.in
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@@ -41,6 +41,7 @@ CHOST="@CHOST@"
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#CFLAGS="-O2 -pipe"
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#CXXFLAGS="-O2 -pipe"
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#LDFLAGS=""
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+#LTOFLAGS="-flto"
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#RUSTFLAGS="-C opt-level=2"
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#-- Make Flags: change this for DistCC/SMP systems
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#MAKEFLAGS="-j2"
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diff --git a/scripts/libmakepkg/buildenv/buildflags.sh.in b/scripts/libmakepkg/buildenv/buildflags.sh.in
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index 74f91988..07b4a730 100644
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--- a/scripts/libmakepkg/buildenv/buildflags.sh.in
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+++ b/scripts/libmakepkg/buildenv/buildflags.sh.in
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@@ -30,6 +30,6 @@ buildenv_functions+=('buildenv_buildflags')
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buildenv_buildflags() {
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if check_option "buildflags" "n"; then
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- unset CPPFLAGS CFLAGS DEBUG_CFLAGS CXXFLAGS DEBUG_CXXFLAGS LDFLAGS RUSTFLAGS DEBUG_RUSTFLAGS
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+ unset CPPFLAGS CFLAGS DEBUG_CFLAGS CXXFLAGS DEBUG_CXXFLAGS LDFLAGS LTOFLAGS RUSTFLAGS DEBUG_RUSTFLAGS
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fi
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}
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diff --git a/scripts/libmakepkg/buildenv/lto.sh.in b/scripts/libmakepkg/buildenv/lto.sh.in
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index 6e500eab..6492def7 100644
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--- a/scripts/libmakepkg/buildenv/lto.sh.in
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+++ b/scripts/libmakepkg/buildenv/lto.sh.in
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@@ -31,8 +31,8 @@ buildenv_functions+=('buildenv_lto')
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buildenv_lto() {
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if check_option "lto" "y" && ! check_option "buildflags" "n"; then
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- CFLAGS+=" -flto"
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- CXXFLAGS+=" -flto"
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- LDFLAGS+=" -flto"
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+ CFLAGS+=" ${LTOFLAGS:--flto}"
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+ CXXFLAGS+=" ${LTOFLAGS:--flto}"
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+ LDFLAGS+=" ${LTOFLAGS:--flto}"
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fi
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}
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diff --git a/scripts/libmakepkg/lint_config/variable.sh.in b/scripts/libmakepkg/lint_config/variable.sh.in
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index 8327b0a5..03a67ee2 100644
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--- a/scripts/libmakepkg/lint_config/variable.sh.in
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+++ b/scripts/libmakepkg/lint_config/variable.sh.in
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@@ -32,10 +32,10 @@ lint_config_variables() {
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local array=(DLAGENTS VCSCLIENTS BUILDENV OPTIONS INTEGRITY_CHECK MAN_DIRS
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DOC_DIRS PURGE_TARGETS COMPRESSGZ COMPRESSBZ2 COMPRESSXZ
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COMPRESSLRZ COMPRESSLZO COMPRESSZ)
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- local string=(CARCH CHOST CPPFLAGS CFLAGS CXXFLAGS RUSTFLAGS LDFLAGS DEBUG_CFLAGS
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- DEBUG_CXXFLAGS DEBUG_RUSTFLAGS DISTCC_HOSTS BUILDDIR STRIP_BINARIES
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- STRIP_SHARED STRIP_STATIC PKGDEST SRCDEST SRCPKGDEST LOGDEST PACKAGER
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- GPGKEY PKGEXT SRCEXT)
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+ local string=(CARCH CHOST CPPFLAGS CFLAGS CXXFLAGS RUSTFLAGS LDFLAGS LTOFLAGS
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+ DEBUG_CFLAGS DEBUG_CXXFLAGS DEBUG_RUSTFLAGS DISTCC_HOSTS BUILDDIR
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+ STRIP_BINARIES STRIP_SHARED STRIP_STATIC PKGDEST SRCDEST SRCPKGDEST
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+ LOGDEST PACKAGER GPGKEY PKGEXT SRCEXT)
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local i keys ret=0
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