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Lower optimization level for Sun Studio before 12.1.

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At least Sun Studio 12 has problems with bit-fields exposed by nginx code
(caught by test suite).  They seems to be fixed in Sun Studio 12.1.  As a
workaround use "-fast -xalias_level=any" for older versions, it resolves
the problem.
This commit is contained in:
Maxim Dounin 2011-08-18 15:10:23 +00:00
parent b4d9ee220c
commit 950b668076
1 changed files with 17 additions and 5 deletions
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22
auto/cc/sunc
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@ -6,6 +6,8 @@
# Sun C 5.8 2005/10/13 Sun Studio 11
# Sun C 5.9 SunOS_i386 2007/05/03 Sun Studio 12
# Sun C 5.9 SunOS_sparc 2007/05/03
# Sun C 5.10 SunOS_i386 2009/06/03 Sun Studio 12.1
# Sun C 5.11 SunOS_i386 2010/08/13 Sun Studio 12.2
NGX_SUNC_VER=`$CC -V 2>&1 | grep 'Sun C' 2>&1 \
| sed -e 's/^.* Sun C \(.*\)/\1/'`
@ -57,9 +59,19 @@ esac
# optimizations
# 20736 == 0x5100, Sun Studio 12.1
if [ "$ngx_sunc_ver" -ge 20736 ]; then
ngx_fast="-fast"
else
# older versions had problems with bit-fields
ngx_fast="-fast -xalias_level=any"
fi
IPO=-xipo
CFLAGS="$CFLAGS -fast $IPO"
CORE_LINK="$CORE_LINK -fast $IPO"
CFLAGS="$CFLAGS $ngx_fast $IPO"
CORE_LINK="$CORE_LINK $ngx_fast $IPO"
case $CPU in
@ -126,15 +138,15 @@ CFLAGS="$CFLAGS $CPU_OPT"
if [ ".$PCRE_OPT" = "." ]; then
PCRE_OPT="-fast $IPO $CPU_OPT"
PCRE_OPT="$ngx_fast $IPO $CPU_OPT"
fi
if [ ".$MD5_OPT" = "." ]; then
MD5_OPT="-fast $IPO $CPU_OPT"
MD5_OPT="$ngx_fast $IPO $CPU_OPT"
fi
if [ ".$ZLIB_OPT" = "." ]; then
ZLIB_OPT="-fast $IPO $CPU_OPT"
ZLIB_OPT="$ngx_fast $IPO $CPU_OPT"
fi