nginx/auto/os/conf
Maxim Dounin c45bd10b1c Changed default alignment to 16.
This fixes alignment problems observerd on ARMs, and likely also needed
for MIPSes.  Unless we know alignment is not required just assume we
need 16, which appears to be safe default for all architectures.

See here for details:
http://mailman.nginx.org/pipermail/nginx/2012-June/034139.html
2012-06-18 14:09:54 +00:00

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# Copyright (C) Igor Sysoev
# Copyright (C) Nginx, Inc.
echo "checking for $NGX_SYSTEM specific features"
case "$NGX_PLATFORM" in
FreeBSD:*)
. auto/os/freebsd
;;
Linux:*)
. auto/os/linux
;;
SunOS:*)
. auto/os/solaris
;;
Darwin:*)
. auto/os/darwin
;;
win32)
. auto/os/win32
;;
DragonFly:*)
have=NGX_FREEBSD . auto/have_headers
CORE_INCS="$UNIX_INCS"
CORE_DEPS="$UNIX_DEPS $FREEBSD_DEPS"
CORE_SRCS="$UNIX_SRCS $FREEBSD_SRCS"
echo " + sendfile() found"
have=NGX_HAVE_SENDFILE . auto/have
CORE_SRCS="$CORE_SRCS $FREEBSD_SENDFILE_SRCS"
ngx_spacer='
'
;;
HP-UX:*)
# HP/UX
have=NGX_HPUX . auto/have_headers
CORE_INCS="$UNIX_INCS"
CORE_DEPS="$UNIX_DEPS $POSIX_DEPS"
CORE_SRCS="$UNIX_SRCS"
CC_AUX_FLAGS="$CC_AUX_FLAGS -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1"
;;
OSF1:*)
# Tru64 UNIX
have=NGX_TRU64 . auto/have_headers
have=NGX_HAVE_STRERROR_R . auto/nohave
CORE_INCS="$UNIX_INCS"
CORE_DEPS="$UNIX_DEPS $POSIX_DEPS"
CORE_SRCS="$UNIX_SRCS"
;;
*)
CORE_INCS="$UNIX_INCS"
CORE_DEPS="$UNIX_DEPS $POSIX_DEPS"
CORE_SRCS="$UNIX_SRCS"
;;
esac
case "$NGX_MACHINE" in
i386 | i686 | i86pc)
have=NGX_HAVE_NONALIGNED . auto/have
NGX_MACH_CACHE_LINE=32
;;
amd64 | x86_64)
have=NGX_HAVE_NONALIGNED . auto/have
NGX_MACH_CACHE_LINE=64
;;
sun4u | sun4v | sparc | sparc64)
have=NGX_ALIGNMENT value=16 . auto/define
# TODO
NGX_MACH_CACHE_LINE=64
;;
ia64 )
have=NGX_ALIGNMENT value=16 . auto/define
# TODO
NGX_MACH_CACHE_LINE=64
;;
*)
have=NGX_ALIGNMENT value=16 . auto/define
NGX_MACH_CACHE_LINE=32
;;
esac
if test -z "$NGX_CPU_CACHE_LINE"; then
NGX_CPU_CACHE_LINE=$NGX_MACH_CACHE_LINE
fi
have=NGX_CPU_CACHE_LINE value=$NGX_CPU_CACHE_LINE . auto/define