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#!/bin/sh
# bail out fast if we already have a cache file, otherwise building is far too slow!
MAKEFILE_DIR="$3/$4"
if test -f "${MAKEFILE_DIR}/makefiles/gmake/platform.vars"; then
. "${MAKEFILE_DIR}/makefiles/gmake/platform.vars"
else
# operating system and major, minor version, more should not be necessary
UNAME_SYSTEM=`(uname -s) 2>/dev/null`
UNAME_RELEASE=`(uname -r) 2>/dev/null`
UNAME_VERSION=`(uname -v) 2>/dev/null`
UNAME_MACHINE=`(uname -m) 2>/dev/null`
case "$UNAME_SYSTEM.$UNAME_RELEASE" in
Linux*) PLATFORM=LINUX
OS_MAJOR_VERSION=`echo $UNAME_RELEASE | cut -d . -f 1`
OS_MINOR_VERSION=`echo $UNAME_RELEASE | cut -d . -f 2`
# LSB-system? Check for lsb-release
if test -x /usr/bin/lsb_release; then
dist=`/usr/bin/lsb_release -i | cut -f 2`
rev=`/usr/bin/lsb_release -r | cut -f 2`
case "$dist" in
Ubuntu)
LINUX_DIST='ubuntu'
LINUX_REV=$rev
;;
Debian)
LINUX_DIST='debian'
LINUX_REV=`echo $rev | cut -f 1 -d.`
;;
SUSE*LINUX)
LINUX_DIST='suse'
LINUX_REV=`echo $rev | tr -s ' ' '\t' | cut -f 2 -d ' '`
;;
*)
LINUX_DIST='unknown'
LINUX_REV='unknown'
;;
esac
else
# try the older way with release files in /etc
if test -f /etc/arch-release; then
LINUX_DIST='arch'
LINUX_REV='current'
if test "$OS_MAJOR_VERSION" = "3"; then
OS_MINOR_VERSION=`echo $UNAME_RELEASE | cut -d . -f 2 | cut -d - -f 1`
fi
elif test -f /etc/debian_version; then
LINUX_DIST='debian'
LINUX_REV=`cat /etc/debian_version | cut -d . -f 1`
elif test -f /etc/slackware-version; then
LINUX_DIST='slackware'
LINUX_REV=`cat /etc/slackware-version | cut -d ' ' -f 2 | cut -d . -f 1,2`
elif test -f /etc/redhat-release; then
LINUX_DIST='redhat'
LINUX_REV=`cat /etc/redhat-release | sed s/.*release\ // | sed s/\ .*// | cut -f 1 -d .`
elif test -f /etc/fedora-release; then
LINUX_DIST='redhat'
LINUX_REV=`cat /etc/fedora-release | cut -f 3 -d ' '`
elif test -f /etc/SuSE-release; then
grep "SUSE Linux Enterprise Server" /etc/SuSE-release
if test $? = 0; then
LINUX_DIST='sles'
LINUX_REV=`grep VERSION /etc/SuSE-release | cut -f 3 -d ' '`
else
LINUX_DIST='suse'
LINUX_REV=`grep VERSION /etc/SuSE-release | cut -f 3 -d ' '`
fi
else
LINUX_DIST='unknown'
LINUX_REV='unknown'
fi
fi
;;
FreeBSD*) PLATFORM=FREEBSD
OS_MAJOR_VERSION=`echo $UNAME_RELEASE | cut -d . -f 1`
OS_MINOR_VERSION=`echo $UNAME_RELEASE | cut -d . -f 2 | cut -d - -f 1`
;;
OpenBSD*) PLATFORM=OPENBSD
OS_MAJOR_VERSION=`echo $UNAME_RELEASE | cut -d . -f 1`
OS_MINOR_VERSION=`echo $UNAME_RELEASE | cut -d . -f 2 | cut -d - -f 1`
;;
NetBSD*) PLATFORM=NETBSD
OS_MAJOR_VERSION=`echo $UNAME_RELEASE | cut -d . -f 1`
OS_MINOR_VERSION=`echo $UNAME_RELEASE | cut -d . -f 2`
;;
SunOS*) PLATFORM=SUNOS
OS_MAJOR_VERSION=`echo $UNAME_RELEASE | cut -d . -f 1`
OS_MINOR_VERSION=`echo $UNAME_RELEASE | cut -d . -f 2`
;;
CYGWIN_NT*) PLATFORM=CYGWIN
_tmp=`echo $UNAME_SYSTEM | cut -d - -f 2`
OS_MAJOR_VERSION=`echo $_tmp | cut -d . -f 1`
OS_MINOR_VERSION=`echo $_tmp | cut -d . -f 2`
;;
*)
PLATFORM=UNKNOWN
echo "Unknown platform '$UNAME_SYSTEM $UNAME_RELEASE'"
exit 1
esac
# the architecture
case "$UNAME_MACHINE" in
i*86*) ARCH=x86
;;
x86_64|amd64) ARCH=x86_64
;;
sun4u) ARCH=sun4u
;;
*) ARCH=UNKNOWN
echo "Unknown architecture '$UNAME_MACHINE'"
exit 1
esac
# get last line, old 'tail' syntax and POSIX syntax, both exist out there
if test "x${PLATFORM}" = "xSUNOS"; then
TAIL1='tail -1'
else
TAIL1='tail -n 1'
fi
# the compiler and version
# do we have ccache or distcc in CC, then check the compiler, not the wrapper
CC=$2
CC=`echo $CC | sed 's/distcc//g' | sed 's/ccache//g'`
# what compiler do we have (we can't relly on it's name as it may be a cc link to the binary!)
(( $CC -v 2>&1 | $TAIL1 ) | grep -i GCC ) 2>/dev/null 1>/dev/null
if test $? = 0; then
COMPILER='gcc'
else
# ( $CC -V 2>&1 | grep l_cproc_p ) >/dev/null
( $CC -V 2>&1 | grep "Intel(R) C" | grep "Compiler" ) >/dev/null
if test $? = 0; then
COMPILER='icc'
else
( $CC -xhelp=readme | head -n 1 | grep 'Sun Studio' ) >/dev/null
if test $? = 0; then
COMPILER='spro'
else
COMPILER='unknown'
fi
fi
fi
# version of gcc (GNU C compiler)
if test $COMPILER = "gcc"; then
GCC_VERSION=`gcc -dumpversion`
GCC_MAJOR_VERSION=`echo $GCC_VERSION | cut -d . -f 1`
GCC_MINOR_VERSION=`echo $GCC_VERSION | cut -d . -f 2`
fi
# version of icc (Intel C compiler)
if test $COMPILER = "icc"; then
ICC_VERSION=`icc -dumpversion`
ICC_MAJOR_VERSION=`echo $ICC_VERSION | cut -d . -f 1`
ICC_MINOR_VERSION=`echo $ICC_VERSION | cut -d . -f 2`
fi
# version of spro (Sun Pro compiler, Sun Studio)
if test $COMPILER = "spro"; then
SPRO_VERSION=`$CC -xhelp=readme | head -n 1 | cut -d ' ' -f 3`
SPRO_MAJOR_VERSION=`echo $SPRO_VERSION | cut -d : -f 1`
fi
# generate the makefile snippet with conditional variables
# (conditional, so that users can overwrite them for instance
# for cross-compilation)
cat >"${MAKEFILE_DIR}/makefiles/gmake/platform.mk.vars" <<EOF
ARCH?=$ARCH
PLATFORM?=$PLATFORM
OS_MAJOR_VERSION?=$OS_MAJOR_VERSION
OS_MINOR_VERSION?=$OS_MINOR_VERSION
COMPILER?=$COMPILER
GCC_MAJOR_VERSION?=$GCC_MAJOR_VERSION
GCC_MINOR_VERSION?=$GCC_MINOR_VERSION
ICC_MAJOR_VERSION?=$ICC_MAJOR_VERSION
ICC_MINOR_VERSION?=$ICC_MINOR_VERSION
SPRO_MAJOR_VERSION?=$SPRO_MAJOR_VERSION
LINUX_DIST?=$LINUX_DIST
LINUX_REV?=$LINUX_REV
EOF
# write the cache file (to protect against constant recomputations!)
cat >"${MAKEFILE_DIR}/makefiles/gmake/platform.vars" <<EOF
ARCH=$ARCH
PLATFORM=$PLATFORM
OS_MAJOR_VERSION=$OS_MAJOR_VERSION
OS_MINOR_VERSION=$OS_MINOR_VERSION
COMPILER=$COMPILER
GCC_MAJOR_VERSION=$GCC_MAJOR_VERSION
GCC_MINOR_VERSION=$GCC_MINOR_VERSION
ICC_MAJOR_VERSION=$ICC_MAJOR_VERSION
ICC_MINOR_VERSION=$ICC_MINOR_VERSION
SPRO_MAJOR_VERSION=$SPRO_MAJOR_VERSION
LINUX_DIST=$LINUX_DIST
LINUX_REV=$LINUX_REV
EOF
fi
case "$1" in
--platform) echo $PLATFORM
;;
--os-major-version) echo $OS_MAJOR_VERSION
;;
--os-minor-version) echo $OS_MINOR_VERSION
;;
--arch) echo $ARCH
;;
--compiler) echo $COMPILER
;;
--gcc-major-version) echo $GCC_MAJOR_VERSION
;;
--gcc-minor-version) echo $GCC_MINOR_VERSION
;;
--icc-major-version) echo $ICC_MAJOR_VERSION
;;
--icc-minor-version) echo $ICC_MINOR_VERSION
;;
--spro-major-version) echo $SPRO_MAJOR_VERSION
;;
*) echo "unkown flag '$1' requested!"
exit 1
esac
|
