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- # 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.
- # tmake_file A list of machine-description-specific
- # makefile fragments.
- # Optimize TLS usage by avoiding the overhead of dynamic allocation.
- if test $gcc_cv_have_tls = yes ; then
- case "${target}" in
- *-*-k*bsd*-gnu*)
- ;;
- *-*-musl*)
- ;;
- *-*-linux* | *-*-gnu*)
- XCFLAGS="${XCFLAGS} -ftls-model=initial-exec -DUSING_INITIAL_EXEC_TLS"
- ;;
- *-*-rtems*)
- XCFLAGS="${XCFLAGS} -ftls-model=local-exec"
- ;;
- esac
- fi
- tmake_file=
- # Since we require POSIX threads, assume a POSIX system by default.
- config_path="posix"
- # Check for futex enabled all at once.
- if test x$enable_linux_futex = xyes; then
- case "${target}" in
- aarch64*-*-linux*)
- config_path="linux posix"
- ;;
- alpha*-*-linux*)
- config_path="linux/alpha linux posix"
- ;;
- arm*-*-linux*)
- config_path="linux posix"
- ;;
- ia64*-*-linux*)
- config_path="linux/ia64 linux posix"
- ;;
- loongarch*-*-linux*)
- config_path="linux posix"
- ;;
- mips*-*-linux*)
- config_path="linux/mips linux posix"
- ;;
- powerpc*-*-linux*)
- config_path="linux/powerpc linux posix"
- ;;
- riscv64*-*-linux*)
- config_path="linux posix"
- ;;
- s390*-*-linux*)
- config_path="linux/s390 linux posix"
- ;;
- tile*-*-linux*)
- config_path="linux/tile linux posix"
- ;;
- # Note that bare i386 is not included here. We need cmpxchg.
- i[456]86-*-linux* | x86_64-*-linux*)
- config_path="linux/x86 linux posix"
- cat > conftestx.c <<EOF
- #ifndef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4
- #error need -march=i486
- #endif
- EOF
- if ${CC} ${CFLAGS} -E conftestx.c > /dev/null 2>&1; then
- :
- else
- if test "${target_cpu}" = x86_64; then
- XCFLAGS="${XCFLAGS} -march=i486 -mtune=generic"
- else
- XCFLAGS="${XCFLAGS} -march=i486 -mtune=${target_cpu}"
- fi
- fi
- rm -f conftestx.c
- ;;
- # Note that sparcv7 and sparcv8 is not included here. We need cas.
- sparcv9-*-linux* | sparc64-*-linux*)
- echo "int i;" > conftestx.c
- if ${CC} ${CFLAGS} -c -o conftestx.o conftestx.c > /dev/null 2>&1; then
- config_path="linux/sparc linux posix"
- case "`/usr/bin/file conftestx.o`" in
- *32-bit*)
- case " ${CC} ${CFLAGS}" in
- *" -mcpu=ultrasparc"*)
- ;;
- *)
- XCFLAGS="${XCFLAGS} -mcpu=v9"
- ;;
- esac
- ;;
- esac
- fi
- rm -f conftestx.c conftestx.o
- ;;
- esac
- fi
- # Other system configury
- case "${target}" in
- *-*-hpux*)
- config_path="hpux posix"
- case "${target}" in
- *-*-hpux11*)
- # HPUX v11.x requires -lrt to resolve sem_init in libgomp.la
- XLDFLAGS="${XLDFLAGS} -lrt"
- ;;
- esac
- case "${target}" in
- hppa[12]*-*-hpux*)
- # PA 32 HP-UX needs -frandom-seed for bootstrap compare.
- XCFLAGS="${XCFLAGS} -frandom-seed=fixed-seed"
- ;;
- esac
- ;;
- *-*-mingw32*)
- config_path="mingw32 posix"
- ;;
- *-*-darwin*)
- config_path="bsd darwin posix"
- ;;
- *-*-freebsd*)
- # Need to link with -lpthread so libgomp.so is self-contained.
- XLDFLAGS="${XLDFLAGS} -lpthread"
- ;;
- *-*-aix*)
- config_path="posix"
- # Need to link with -lpthread so libgomp.so is self-contained.
- XLDFLAGS="${XLDFLAGS} -lpthread"
- # AIX needs -frandom-seed for bootstrap compare.
- XCFLAGS="${XCFLAGS} -frandom-seed=\$@"
- # Create AIX-style "FAT" libraries.
- tmake_file="t-aix"
- ;;
- nvptx*-*-*)
- config_path="nvptx accel"
- ;;
- *-*-rtems*)
- # Use self-contained synchronization objects if provided by Newlib
- if test "x$ac_cv_type_struct__Mutex_Control" = xyes ; then
- config_path="rtems posix"
- fi
- ;;
- amdgcn*-*-*)
- config_path="gcn accel"
- #TODO PR101484
- XCFLAGS="$XCFLAGS -Wno-error=array-bounds"
- ;;
- *)
- ;;
- esac
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