Mercurial > hg > CbC > CbC_gcc
annotate libgcc/configure.ac @ 60:bd49c42ec43e
remove unnecessary files
| author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Mon, 15 Feb 2010 17:39:45 +0900 |
| parents | 77e2b8dfacca |
| children | b7f97abdc517 |
| rev | line source |
|---|---|
| 0 | 1 dnl Process this file with autoconf to produce a configure script. |
| 2 | |
| 3 sinclude(../config/enable.m4) | |
| 4 sinclude(../config/tls.m4) | |
| 5 sinclude(../config/acx.m4) | |
| 6 sinclude(../config/no-executables.m4) | |
| 7 sinclude(../config/override.m4) | |
| 8 | |
|
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77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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changeset
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9 AC_PREREQ(2.64) |
| 0 | 10 AC_INIT([GNU C Runtime Library], 1.0,,[libgcc]) |
| 11 AC_CONFIG_SRCDIR([static-object.mk]) | |
| 12 | |
| 13 AC_ARG_WITH(target-subdir, | |
| 14 [ --with-target-subdir=SUBDIR Configuring in a subdirectory for target]) | |
| 15 AC_ARG_WITH(cross-host, | |
| 16 [ --with-cross-host=HOST Configuring with a cross compiler]) | |
| 17 AC_ARG_WITH(ld, | |
| 18 [ --with-ld arrange to use the specified ld (full pathname)]) | |
| 19 | |
| 20 if test "${srcdir}" = "."; then | |
| 21 if test -n "${with_build_subdir}"; then | |
| 22 libgcc_topdir="${srcdir}/../.." | |
| 23 with_target_subdir= | |
| 24 elif test -z "${with_target_subdir}"; then | |
| 25 libgcc_topdir="${srcdir}/.." | |
| 26 else | |
| 27 if test "${with_target_subdir}" != "."; then | |
| 28 libgcc_topdir="${srcdir}/${with_multisrctop}../.." | |
| 29 else | |
| 30 libgcc_topdir="${srcdir}/${with_multisrctop}.." | |
| 31 fi | |
| 32 fi | |
| 33 else | |
| 34 libgcc_topdir="${srcdir}/.." | |
| 35 fi | |
| 36 AC_SUBST(libgcc_topdir) | |
| 37 AC_CONFIG_AUX_DIR($libgcc_topdir) | |
| 38 | |
| 39 AC_ARG_ENABLE(shared, | |
| 40 [ --disable-shared don't provide a shared libgcc], | |
| 41 [ | |
| 42 case $enable_shared in | |
| 43 yes | no) ;; | |
| 44 *) | |
| 45 enable_shared=no | |
| 46 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:," | |
| 47 for pkg in $enableval; do | |
| 48 if test "X$pkg" = "Xgcc" || test "X$pkg" = "Xlibgcc"; then | |
| 49 enable_shared=yes | |
| 50 fi | |
| 51 done | |
| 52 IFS="$ac_save_ifs" | |
| 53 ;; | |
| 54 esac | |
| 55 ], [enable_shared=yes]) | |
| 56 AC_SUBST(enable_shared) | |
| 57 | |
| 58 AC_MSG_CHECKING([for --enable-version-specific-runtime-libs]) | |
| 59 AC_ARG_ENABLE(version-specific-runtime-libs, | |
| 60 [ --enable-version-specific-runtime-libs Specify that runtime libraries should be installed in a compiler-specific directory ], | |
| 61 [case "$enableval" in | |
| 62 yes) version_specific_libs=yes ;; | |
| 63 no) version_specific_libs=no ;; | |
| 64 *) AC_MSG_ERROR([Unknown argument to enable/disable version-specific libs]);; | |
| 65 esac], | |
| 66 [version_specific_libs=no]) | |
| 67 AC_MSG_RESULT($version_specific_libs) | |
| 68 | |
| 69 AC_ARG_WITH(slibdir, | |
| 70 [ --with-slibdir=DIR shared libraries in DIR [LIBDIR]], | |
| 71 slibdir="$with_slibdir", | |
| 72 if test "${version_specific_libs}" = yes; then | |
| 73 slibdir='$(libsubdir)' | |
| 74 elif test -n "$with_cross_host" && test x"$with_cross_host" != x"no"; then | |
| 75 slibdir='$(exec_prefix)/$(host_noncanonical)/lib' | |
| 76 else | |
| 77 slibdir='$(libdir)' | |
| 78 fi) | |
| 79 AC_SUBST(slibdir) | |
| 80 | |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
81 # Command-line options. |
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77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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diff
changeset
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82 # Very limited version of AC_MAINTAINER_MODE. |
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77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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diff
changeset
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83 AC_ARG_ENABLE([maintainer-mode], |
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77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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diff
changeset
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84 [AC_HELP_STRING([--enable-maintainer-mode], |
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77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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diff
changeset
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85 [enable make rules and dependencies not useful (and |
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77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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diff
changeset
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86 sometimes confusing) to the casual installer])], |
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77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
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87 [case ${enable_maintainer_mode} in |
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77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
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88 yes) MAINT='' ;; |
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77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
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89 no) MAINT='#' ;; |
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77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
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90 *) AC_MSG_ERROR([--enable-maintainer-mode must be yes or no]) ;; |
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77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
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91 esac |
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77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
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92 maintainer_mode=${enableval}], |
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77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
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93 [MAINT='#']) |
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77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
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94 AC_SUBST([MAINT])dnl |
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77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
95 |
| 0 | 96 AC_PROG_INSTALL |
| 97 | |
| 98 AC_PROG_AWK | |
| 99 # We need awk; bail out if it's missing. | |
| 100 case ${AWK} in | |
| 101 "") AC_MSG_ERROR([can't build without awk, bailing out]) ;; | |
| 102 esac | |
| 103 | |
| 104 AC_CANONICAL_HOST | |
| 105 ACX_NONCANONICAL_HOST | |
| 106 GCC_TOPLEV_SUBDIRS | |
| 107 | |
| 108 dnl These must be called before AM_PROG_LIBTOOL, because it may want | |
| 109 dnl to call AC_CHECK_PROG. | |
| 110 AC_CHECK_TOOL(AR, ar) | |
| 111 AC_CHECK_TOOL(LIPO, lipo, :) | |
| 112 AC_CHECK_TOOL(NM, nm) | |
| 113 AC_CHECK_TOOL(RANLIB, ranlib, :) | |
| 114 AC_CHECK_TOOL(STRIP, strip, :) | |
| 115 AC_PROG_LN_S | |
| 116 | |
| 117 GCC_NO_EXECUTABLES | |
| 118 AC_PROG_CC | |
| 119 AC_PROG_CPP_WERROR | |
| 120 | |
| 121 # Check for decimal float support. | |
| 122 AC_CACHE_CHECK([whether decimal floating point is supported], [libgcc_cv_dfp], | |
| 123 [AC_COMPILE_IFELSE([_Decimal32 x;], [libgcc_cv_dfp=yes], | |
| 124 [libgcc_cv_dfp=no])]) | |
| 125 decimal_float=$libgcc_cv_dfp | |
| 126 AC_SUBST(decimal_float) | |
| 127 | |
| 128 AC_ARG_ENABLE(decimal-float, | |
| 129 [ --enable-decimal-float={no,yes,bid,dpd} | |
| 130 enable decimal float extension to C. Selecting 'bid' | |
| 131 or 'dpd' choses which decimal floating point format | |
| 132 to use], | |
| 133 [ | |
| 134 case $enable_decimal_float in | |
| 135 yes | no | bid | dpd) ;; | |
| 136 *) AC_MSG_ERROR(['$enable_decimal_float' is an invalid value for --enable-decimal-float. | |
| 137 Valid choices are 'yes', 'bid', 'dpd', and 'no'.]) ;; | |
| 138 esac | |
| 139 ], | |
| 140 [ | |
| 141 case $host in | |
| 142 powerpc*-*-linux* | i?86*-*-linux* | x86_64*-*-linux*) | |
| 143 enable_decimal_float=yes | |
| 144 ;; | |
| 145 *) | |
| 146 enable_decimal_float=no | |
| 147 ;; | |
| 148 esac | |
| 149 ]) | |
| 150 | |
| 151 # x86's use BID format instead of DPD | |
| 152 if test x$enable_decimal_float = xyes; then | |
| 153 case $host in | |
| 154 i?86*-*-linux* | x86_64*-*-linux*) | |
| 155 enable_decimal_float=bid | |
| 156 ;; | |
| 157 *) | |
| 158 enable_decimal_float=dpd | |
| 159 ;; | |
| 160 esac | |
| 161 fi | |
| 162 AC_SUBST(enable_decimal_float) | |
| 163 | |
| 164 # Check for fixed-point support. | |
| 165 AC_CACHE_CHECK([whether fixed-point is supported], [libgcc_cv_fixed_point], | |
| 166 [AC_COMPILE_IFELSE([_Sat _Fract x;], [libgcc_cv_fixed_point=yes], | |
| 167 [libgcc_cv_fixed_point=no])]) | |
| 168 fixed_point=$libgcc_cv_fixed_point | |
| 169 AC_SUBST(fixed_point) | |
| 170 | |
| 171 # Check 32bit or 64bit for x86. | |
| 172 case ${host} in | |
| 173 i?86*-*-* | x86_64*-*-*) | |
| 174 cat > conftest.c <<EOF | |
| 175 #ifdef __x86_64__ | |
| 176 host_address=64 | |
| 177 #else | |
| 178 host_address=32 | |
| 179 #endif | |
| 180 EOF | |
| 181 eval `${CC-cc} -E conftest.c | grep host_address=` | |
| 182 rm -f conftest.c | |
| 183 ;; | |
| 184 esac | |
| 185 | |
| 186 # Collect host-machine-specific information. | |
| 187 . ${srcdir}/config.host | |
| 188 | |
| 189 # Check if Solaris/x86 linker supports ZERO terminator unwind entries. | |
| 190 # This is after config.host so we can augment tmake_file. | |
| 191 # Link with -nostartfiles -nodefaultlibs since neither are present while | |
| 192 # building libgcc. | |
| 193 case ${host} in | |
| 194 i?86-*-solaris2.1[[0-9]]*) | |
| 195 cat > conftest.s <<EOF | |
| 196 .section .eh_frame,"a",@unwind | |
| 197 .zero 4 | |
| 198 .section .jcr,"aw",@progbits | |
| 199 .zero 8 | |
| 200 EOF | |
| 201 if AC_TRY_COMMAND(${CC-cc} -shared -nostartfiles -nodefaultlibs -o conftest.so conftest.s 1>&AS_MESSAGE_LOG_FD); then | |
| 202 # configure expects config files in libgcc/config, so need a relative | |
| 203 # path here. | |
| 204 tmake_file="${tmake_file} ../../gcc/config/i386/t-crtstuff" | |
| 205 fi | |
| 206 ;; | |
| 207 esac | |
| 208 | |
| 209 # Check for visibility support. This is after config.host so that | |
| 210 # we can check for asm_hidden_op. | |
| 211 AC_CACHE_CHECK([for __attribute__((visibility("hidden")))], | |
| 212 libgcc_cv_hidden_visibility_attribute, [ | |
| 213 echo 'int __attribute__ ((visibility ("hidden"))) foo (void) { return 1; }' > conftest.c | |
| 214 libgcc_cv_hidden_visibility_attribute=no | |
| 215 if AC_TRY_COMMAND(${CC-cc} -Werror -S conftest.c -o conftest.s 1>&AS_MESSAGE_LOG_FD); then | |
| 216 if grep "\\$asm_hidden_op.*foo" conftest.s >/dev/null; then | |
| 217 libgcc_cv_hidden_visibility_attribute=yes | |
| 218 fi | |
| 219 fi | |
| 220 rm -f conftest.* | |
| 221 ]) | |
| 222 | |
| 223 if test $libgcc_cv_hidden_visibility_attribute = yes; then | |
| 224 vis_hide='-fvisibility=hidden -DHIDE_EXPORTS' | |
| 225 else | |
| 226 vis_hide= | |
| 227 fi | |
| 228 AC_SUBST(vis_hide) | |
| 229 | |
| 230 # See if we have thread-local storage. We can only test assembler | |
| 231 # sicne link-time and run-time tests require the newly built | |
| 232 # gcc, which can't be used to build executable due to that libgcc | |
| 233 # is yet to be built here. | |
| 234 GCC_CHECK_CC_TLS | |
| 235 set_have_cc_tls= | |
| 236 if test "$enable_tls $gcc_cv_have_cc_tls" = "yes yes"; then | |
| 237 set_have_cc_tls="-DHAVE_CC_TLS" | |
| 238 fi | |
| 239 AC_SUBST(set_have_cc_tls) | |
| 240 | |
| 241 # Conditionalize the makefile for this target machine. | |
| 242 tmake_file_= | |
| 243 for f in ${tmake_file} | |
| 244 do | |
| 245 if test -f ${srcdir}/config/$f | |
| 246 then | |
| 247 tmake_file_="${tmake_file_} \$(srcdir)/config/$f" | |
| 248 fi | |
| 249 done | |
| 250 tmake_file="${tmake_file_}" | |
| 251 AC_SUBST(tmake_file) | |
| 252 | |
| 253 # Substitute configuration variables | |
| 254 AC_SUBST(extra_parts) | |
| 255 AC_SUBST(asm_hidden_op) | |
| 256 | |
| 257 # We need multilib support. | |
| 258 AC_CONFIG_FILES([Makefile]) | |
| 259 AC_CONFIG_COMMANDS([default], | |
| 260 [[test -z "$CONFIG_HEADERS" || echo timestamp > stamp-h | |
| 261 if test -n "$CONFIG_FILES"; then | |
| 262 # FIXME: We shouldn't need to set ac_file | |
| 263 ac_file=Makefile | |
| 264 . ${libgcc_topdir}/config-ml.in | |
| 265 fi]], | |
| 266 [[srcdir=${srcdir} | |
| 267 host=${host} | |
| 268 with_target_subdir=${with_target_subdir} | |
| 269 with_multisubdir=${with_multisubdir} | |
| 270 ac_configure_args="--enable-multilib ${ac_configure_args}" | |
| 271 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh} | |
| 272 libgcc_topdir=${libgcc_topdir} | |
| 273 CC="${CC}" | |
| 274 ]]) | |
| 275 AC_OUTPUT |