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author | Ben Cheng <bccheng@google.com> | 2012-10-01 10:30:31 -0700 |
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committer | Ben Cheng <bccheng@google.com> | 2012-10-01 10:30:31 -0700 |
commit | 82bcbebce43f0227f506d75a5b764b6847041bae (patch) | |
tree | fe9f8597b48a430c4daeb5123e3e8eb28e6f9da9 /gcc-4.7/libitm/configure.tgt | |
parent | 3c052de3bb16ac53b6b6ed659ec7557eb84c7590 (diff) | |
download | toolchain_gcc-82bcbebce43f0227f506d75a5b764b6847041bae.tar.gz toolchain_gcc-82bcbebce43f0227f506d75a5b764b6847041bae.tar.bz2 toolchain_gcc-82bcbebce43f0227f506d75a5b764b6847041bae.zip |
Initial check-in of gcc 4.7.2.
Change-Id: I4a2f5a921c21741a0e18bda986d77e5f1bef0365
Diffstat (limited to 'gcc-4.7/libitm/configure.tgt')
-rw-r--r-- | gcc-4.7/libitm/configure.tgt | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/gcc-4.7/libitm/configure.tgt b/gcc-4.7/libitm/configure.tgt new file mode 100644 index 000000000..b68c86b05 --- /dev/null +++ b/gcc-4.7/libitm/configure.tgt @@ -0,0 +1,141 @@ +# -*- shell-script -*- +# Copyright (C) 2011, 2012 Free Software Foundation, Inc. + +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + +# This is the target specific configuration file. This is invoked by the +# autoconf generated configure script. Putting it in a separate shell file +# lets us skip running autoconf when modifying target specific information. + +# This file switches on the shell variable ${target}, and sets the +# following shell variables: +# config_path An ordered list of directories to search for +# sources and headers. This is relative to the +# config subdirectory of the source tree. +# XCFLAGS Add extra compile flags to use. +# XLDFLAGS Add extra link flags to use. + +# Optimize TLS usage by avoiding the overhead of dynamic allocation. +if test "$gcc_cv_have_tls" = yes ; then + case "${target}" in + + # For x86, we use slots in the TCB head for most of our TLS. + # The setup of those slots in beginTransaction can afford to + # use the global-dynamic model. + i[456]86-*-linux* | x86_64-*-linux*) + ;; + + *-*-linux*) + XCFLAGS="${XCFLAGS} -ftls-model=initial-exec" + ;; + esac +fi + +# Map the target cpu to an ARCH sub-directory. At the same time, +# work out any special compilation flags as necessary. +case "${target_cpu}" in + alpha*) ARCH=alpha ;; + rs6000 | powerpc*) ARCH=powerpc ;; + + arm*) ARCH=arm ;; + + i[3456]86) + case " ${CC} ${CFLAGS} " in + *" -m64 "*) + ;; + *) + if test -z "$with_arch"; then + XCFLAGS="${XCFLAGS} -march=i486 -mtune=${target_cpu}" + XCFLAGS="${XCFLAGS} -fomit-frame-pointer" + fi + esac + ARCH=x86 + ;; + + sh*) ARCH=sh ;; + + sparc) + case " ${CC} ${CFLAGS} " in + *" -m64 "*) + ;; + *) + if test -z "$with_cpu"; then + XCFLAGS="${XCFLAGS} -mcpu=v9" + fi + esac + ARCH=sparc + ;; + + sparc64|sparcv9) + case " ${CC} ${CFLAGS} " in + *" -m32 "*) + XCFLAGS="${XCFLAGS} -mcpu=v9" + ;; + *" -m64 "*) + ;; + *) + if test "x$with_cpu" = xv8; then + XCFLAGS="${XCFLAGS} -mcpu=v9" + fi + ;; + esac + ARCH=sparc + ;; + + x86_64) + case " ${CC} ${CFLAGS} " in + *" -m32 "*) + XCFLAGS="${XCFLAGS} -march=i486 -mtune=i686" + XCFLAGS="${XCFLAGS} -fomit-frame-pointer" + ;; + esac + ARCH=x86 + ;; + + *) + ARCH="${target_cpu}" + ;; +esac + +# For the benefit of top-level configure, determine if the cpu is supported. +test -d ${srcdir}/config/$ARCH || UNSUPPORTED=1 + +# Since we require POSIX threads, assume a POSIX system by default. +config_path="$ARCH posix generic" + +# Other system configury +case "${target}" in + *-*-linux*) + if test "$enable_linux_futex" = yes; then + config_path="linux/$ARCH linux $config_path" + fi + ;; + + powerpc*-*-aix* | rs6000-*-aix*) + # The system ought to be supported, but sjlj.S has not been ported. + UNSUPPORTED=1 + ;; + + *-*-gnu* | *-*-k*bsd*-gnu \ + | *-*-netbsd* | *-*-freebsd* | *-*-openbsd* \ + | *-*-solaris2* | *-*-sysv4* | *-*-irix6* | *-*-osf* | *-*-hpux11* \ + | *-*-darwin* | *-*-aix*) + # POSIX system. The OS is supported. + ;; + + *) # Non-POSIX, or embedded system + UNSUPPORTED=1 + ;; +esac |