68bc92704f
libitm/ChangeLog: * configure.tgt (x86_64): Tune -m32 multilib to generic. libgomp/ChangeLog: * configure.tgt (x86_64-*-linux*): Tune -m32 multilib to generic. From-SVN: r218315
147 lines
3.2 KiB
Plaintext
147 lines
3.2 KiB
Plaintext
# This is the target specific configuration file. This is invoked by the
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# autoconf generated configure script. Putting it in a separate shell file
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# lets us skip running autoconf when modifying target specific information.
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# This file switches on the shell variable ${target}, and sets the
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# following shell variables:
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# config_path An ordered list of directories to search for
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# sources and headers. This is relative to the
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# config subdirectory of the source tree.
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# XCFLAGS Add extra compile flags to use.
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# XLDFLAGS Add extra link flags to use.
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# Optimize TLS usage by avoiding the overhead of dynamic allocation.
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if test $gcc_cv_have_tls = yes ; then
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case "${target}" in
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*-*-k*bsd*-gnu*)
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;;
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*-*-linux* | *-*-gnu*)
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XCFLAGS="${XCFLAGS} -ftls-model=initial-exec"
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;;
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esac
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fi
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# Since we require POSIX threads, assume a POSIX system by default.
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config_path="posix"
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# Check for futex enabled all at once.
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if test $enable_linux_futex = yes; then
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case "${target}" in
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aarch64*-*-linux*)
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config_path="linux posix"
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;;
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alpha*-*-linux*)
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config_path="linux/alpha linux posix"
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;;
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arm*-*-linux*)
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config_path="linux posix"
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;;
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ia64*-*-linux*)
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config_path="linux/ia64 linux posix"
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;;
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mips*-*-linux*)
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config_path="linux/mips linux posix"
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;;
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powerpc*-*-linux*)
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config_path="linux/powerpc linux posix"
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;;
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s390*-*-linux*)
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config_path="linux/s390 linux posix"
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;;
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tile*-*-linux*)
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config_path="linux/tile linux posix"
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;;
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# Note that bare i386 is not included here. We need cmpxchg.
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i[456]86-*-linux*)
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config_path="linux/x86 linux posix"
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case " ${CC} ${CFLAGS} " in
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*" -m64 "*|*" -mx32 "*)
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;;
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*)
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if test -z "$with_arch"; then
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XCFLAGS="${XCFLAGS} -march=i486 -mtune=${target_cpu}"
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fi
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esac
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;;
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# Similar jiggery-pokery for x86_64 multilibs, except here we
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# can't rely on the --with-arch configure option, since that
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# applies to the 64-bit side.
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x86_64-*-linux*)
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config_path="linux/x86 linux posix"
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case " ${CC} ${CFLAGS} " in
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*" -m32 "*)
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XCFLAGS="${XCFLAGS} -march=i486 -mtune=generic"
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;;
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esac
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;;
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# Note that sparcv7 and sparcv8 is not included here. We need cas.
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sparcv9-*-linux* | sparc64-*-linux*)
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echo "int i;" > conftestx.c
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if ${CC} ${CFLAGS} -c -o conftestx.o conftestx.c > /dev/null 2>&1; then
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config_path="linux/sparc linux posix"
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case "`/usr/bin/file conftestx.o`" in
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*32-bit*)
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case " ${CC} ${CFLAGS}" in
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*" -mcpu=ultrasparc"*)
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;;
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*)
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XCFLAGS="${XCFLAGS} -mcpu=v9"
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;;
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esac
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;;
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esac
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fi
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rm -f conftestx.c conftestx.o
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;;
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esac
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fi
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# Other system configury
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case "${target}" in
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*-*-hpux*)
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case "${target}" in
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*-*-hpux11*)
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# HPUX v11.x requires -lrt to resolve sem_init in libgomp.la
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XLDFLAGS="${XLDFLAGS} -lrt"
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;;
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esac
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case "${target}" in
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hppa[12]*-*-hpux*)
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# PA 32 HP-UX needs -frandom-seed for bootstrap compare.
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XCFLAGS="${XCFLAGS} -frandom-seed=fixed-seed"
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;;
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esac
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;;
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*-*-mingw32*)
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config_path="mingw32 posix"
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;;
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*-*-darwin*)
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config_path="bsd posix"
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;;
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*-*-freebsd*)
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# Need to link with -lpthread so libgomp.so is self-contained.
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XLDFLAGS="${XLDFLAGS} -lpthread"
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;;
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*)
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;;
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esac
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