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On Mon, Jan 14, 2013 at 7:18 PM, Adam Carter <adamcarter3@×××××.com> wrote: |
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> The first CFLAGS (or CXXFLAGS) line below appears to be taken from the |
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> environment setting, and the second is from the "<packagename> was built |
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> with the following" section of the emerge --info output. |
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> |
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> Squid looks as it should (the -flto is added to that package only) but for |
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> firefox it appears that -O2 has been stripped, and not replaced with -O3, |
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> which IIRC is the default for that package. |
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> |
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> # grep ^CFL /etc/make.conf |
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> CFLAGS="-march=amdfam10 -mcx16 -msahf -mpopcnt -mabm -O2 -pipe" |
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> |
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> # emerge --info squid | grep ^CFL |
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> CFLAGS="-march=amdfam10 -mcx16 -msahf -mpopcnt -mabm -O2 -pipe" |
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> CFLAGS="-march=amdfam10 -mcx16 -msahf -mpopcnt -mabm -O2 -pipe -flto" |
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> |
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> # emerge --info firefox | grep ^CFL |
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> CFLAGS="-march=amdfam10 -mcx16 -msahf -mpopcnt -mabm -O2 -pipe" |
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> CFLAGS="-march=amdfam10 -pipe -mno-avx" |
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> |
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> Is anyone getting O2 or O3 in their emerge --info firefox output? |
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> |
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|
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Seems to me like -O2 is the default, according to |
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/usr/portage/eclass/mozcoreconf-2.eclass |
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|
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""" |
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# Set optimization level |
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if [[ ${ARCH} == hppa ]]; then |
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mozconfig_annotate "more than -O0 causes a segfault on |
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hppa" --enable-optimize=-O0 |
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elif [[ ${ARCH} == x86 ]]; then |
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mozconfig_annotate "less then -O2 causes a segfault on |
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x86" --enable-optimize=-O2 |
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elif use custom-optimization || [[ ${ARCH} =~ (alpha|ia64) ]]; then |
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# Set optimization level based on CFLAGS |
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if is-flag -O0; then |
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mozconfig_annotate "from CFLAGS" --enable-optimize=-O0 |
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elif [[ ${ARCH} == ppc ]] && has_version |
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'>=sys-libs/glibc-2.8'; then |
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mozconfig_annotate "more than -O1 segfaults on |
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ppc with glibc-2.8" --enable-optimize=-O1 |
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elif is-flag -O3; then |
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mozconfig_annotate "from CFLAGS" --enable-optimize=-O3 |
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elif is-flag -O1; then |
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mozconfig_annotate "from CFLAGS" --enable-optimize=-O1 |
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elif is-flag -Os; then |
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mozconfig_annotate "from CFLAGS" --enable-optimize=-Os |
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else |
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mozconfig_annotate "Gentoo's default |
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optimization" --enable-optimize=-O2 |
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fi |
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else |
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# Enable Mozilla's default |
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mozconfig_annotate "mozilla default" --enable-optimize |
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fi |
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""" |
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|
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-- |
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