1# This is the target specific configuration file. This is invoked by the 2# autoconf generated configure script. Putting it in a separate shell file 3# lets us skip running autoconf when modifying target specific information. 4 5# This file switches on the shell variable ${target}, and sets the 6# following shell variables: 7# config_path An ordered list of directories to search for 8# sources and headers. This is relative to the 9# config subdirectory of the source tree. 10# XCFLAGS Add extra compile flags to use. 11# XLDFLAGS Add extra link flags to use. 12 13# Optimize TLS usage by avoiding the overhead of dynamic allocation. 14if test $gcc_cv_have_tls = yes ; then 15 case "${target}" in 16 17 *-*-k*bsd*-gnu*) 18 ;; 19 20 *-*-linux* | *-*-gnu*) 21 XCFLAGS="${XCFLAGS} -ftls-model=initial-exec" 22 ;; 23 24 *-*-rtems*) 25 XCFLAGS="${XCFLAGS} -ftls-model=local-exec" 26 ;; 27 esac 28fi 29 30# Since we require POSIX threads, assume a POSIX system by default. 31config_path="posix" 32 33# Check for futex enabled all at once. 34if test x$enable_linux_futex = xyes; then 35 case "${target}" in 36 37 aarch64*-*-linux*) 38 config_path="linux posix" 39 ;; 40 41 alpha*-*-linux*) 42 config_path="linux/alpha linux posix" 43 ;; 44 45 arm*-*-linux*) 46 config_path="linux posix" 47 ;; 48 49 ia64*-*-linux*) 50 config_path="linux/ia64 linux posix" 51 ;; 52 53 mips*-*-linux*) 54 config_path="linux/mips linux posix" 55 ;; 56 57 powerpc*-*-linux*) 58 config_path="linux/powerpc linux posix" 59 ;; 60 61 s390*-*-linux*) 62 config_path="linux/s390 linux posix" 63 ;; 64 65 tile*-*-linux*) 66 config_path="linux/tile linux posix" 67 ;; 68 69 # Note that bare i386 is not included here. We need cmpxchg. 70 i[456]86-*-linux*) 71 config_path="linux/x86 linux posix" 72 case " ${CC} ${CFLAGS} " in 73 *" -m64 "*|*" -mx32 "*) 74 ;; 75 *) 76 if test -z "$with_arch"; then 77 XCFLAGS="${XCFLAGS} -march=i486 -mtune=${target_cpu}" 78 fi 79 esac 80 ;; 81 82 # Similar jiggery-pokery for x86_64 multilibs, except here we 83 # can't rely on the --with-arch configure option, since that 84 # applies to the 64-bit side. 85 x86_64-*-linux*) 86 config_path="linux/x86 linux posix" 87 case " ${CC} ${CFLAGS} " in 88 *" -m32 "*) 89 XCFLAGS="${XCFLAGS} -march=i486 -mtune=generic" 90 ;; 91 esac 92 ;; 93 94 # Note that sparcv7 and sparcv8 is not included here. We need cas. 95 sparcv9-*-linux* | sparc64-*-linux*) 96 echo "int i;" > conftestx.c 97 if ${CC} ${CFLAGS} -c -o conftestx.o conftestx.c > /dev/null 2>&1; then 98 config_path="linux/sparc linux posix" 99 case "`/usr/bin/file conftestx.o`" in 100 *32-bit*) 101 case " ${CC} ${CFLAGS}" in 102 *" -mcpu=ultrasparc"*) 103 ;; 104 *) 105 XCFLAGS="${XCFLAGS} -mcpu=v9" 106 ;; 107 esac 108 ;; 109 esac 110 fi 111 rm -f conftestx.c conftestx.o 112 ;; 113 esac 114fi 115 116# Other system configury 117case "${target}" in 118 119 *-*-hpux*) 120 config_path="hpux posix" 121 case "${target}" in 122 *-*-hpux11*) 123 # HPUX v11.x requires -lrt to resolve sem_init in libgomp.la 124 XLDFLAGS="${XLDFLAGS} -lrt" 125 ;; 126 esac 127 case "${target}" in 128 hppa[12]*-*-hpux*) 129 # PA 32 HP-UX needs -frandom-seed for bootstrap compare. 130 XCFLAGS="${XCFLAGS} -frandom-seed=fixed-seed" 131 ;; 132 esac 133 ;; 134 135 *-*-mingw32*) 136 config_path="mingw32 posix" 137 ;; 138 139 *-*-darwin*) 140 config_path="bsd darwin posix" 141 ;; 142 143 *-*-freebsd*) 144 # Need to link with -lpthread so libgomp.so is self-contained. 145 XLDFLAGS="${XLDFLAGS} -lpthread" 146 ;; 147 148 *-*-aix*) 149 config_path="posix" 150 # Need to link with -lpthread so libgomp.so is self-contained. 151 XLDFLAGS="${XLDFLAGS} -lpthread" 152 ;; 153 154 *) 155 ;; 156 157esac 158