Mercurial > hg > CbC > CbC_gcc
annotate libgcc/configure.ac @ 158:494b0b89df80 default tip
...
| author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Mon, 25 May 2020 18:13:55 +0900 |
| parents | 1830386684a0 |
| children |
| 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) | |
| 145 | 5 sinclude(../config/toolexeclibdir.m4) |
| 0 | 6 sinclude(../config/acx.m4) |
| 7 sinclude(../config/no-executables.m4) | |
| 111 | 8 sinclude(../config/lib-ld.m4) |
| 0 | 9 sinclude(../config/override.m4) |
| 111 | 10 sinclude(../config/picflag.m4) |
|
67
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
11 sinclude(../config/dfp.m4) |
| 111 | 12 sinclude(../config/unwind_ipinfo.m4) |
| 13 sinclude(../config/gthr.m4) | |
| 14 sinclude(../config/sjlj.m4) | |
| 131 | 15 sinclude(../config/cet.m4) |
| 0 | 16 |
| 17 AC_INIT([GNU C Runtime Library], 1.0,,[libgcc]) | |
| 18 AC_CONFIG_SRCDIR([static-object.mk]) | |
| 19 | |
| 111 | 20 # The libgcc should not depend on any header files |
| 21 AC_DEFUN([_AC_INCLUDES_DEFAULT_REQUIREMENTS], | |
| 22 [m4_divert_text([DEFAULTS], | |
| 23 [ac_includes_default='/* none */'])]) | |
| 24 | |
| 0 | 25 AC_ARG_WITH(target-subdir, |
| 26 [ --with-target-subdir=SUBDIR Configuring in a subdirectory for target]) | |
| 27 AC_ARG_WITH(cross-host, | |
| 28 [ --with-cross-host=HOST Configuring with a cross compiler]) | |
| 29 AC_ARG_WITH(ld, | |
| 30 [ --with-ld arrange to use the specified ld (full pathname)]) | |
| 31 | |
| 32 if test "${srcdir}" = "."; then | |
| 33 if test -n "${with_build_subdir}"; then | |
| 34 libgcc_topdir="${srcdir}/../.." | |
| 35 with_target_subdir= | |
| 36 elif test -z "${with_target_subdir}"; then | |
| 37 libgcc_topdir="${srcdir}/.." | |
| 38 else | |
| 39 if test "${with_target_subdir}" != "."; then | |
| 40 libgcc_topdir="${srcdir}/${with_multisrctop}../.." | |
| 41 else | |
| 42 libgcc_topdir="${srcdir}/${with_multisrctop}.." | |
| 43 fi | |
| 44 fi | |
| 45 else | |
| 46 libgcc_topdir="${srcdir}/.." | |
| 47 fi | |
| 48 AC_SUBST(libgcc_topdir) | |
| 49 AC_CONFIG_AUX_DIR($libgcc_topdir) | |
| 111 | 50 AC_CONFIG_HEADER(auto-target.h:config.in) |
| 0 | 51 |
| 52 AC_ARG_ENABLE(shared, | |
| 53 [ --disable-shared don't provide a shared libgcc], | |
| 54 [ | |
| 55 case $enable_shared in | |
| 56 yes | no) ;; | |
| 57 *) | |
| 58 enable_shared=no | |
| 59 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:," | |
| 60 for pkg in $enableval; do | |
| 61 if test "X$pkg" = "Xgcc" || test "X$pkg" = "Xlibgcc"; then | |
| 62 enable_shared=yes | |
| 63 fi | |
| 64 done | |
| 65 IFS="$ac_save_ifs" | |
| 66 ;; | |
| 67 esac | |
| 68 ], [enable_shared=yes]) | |
| 69 AC_SUBST(enable_shared) | |
| 70 | |
| 131 | 71 AC_ARG_ENABLE(gcov, |
| 72 [ --disable-gcov don't provide libgcov and related host tools], | |
| 73 [], [enable_gcov=yes]) | |
| 74 AC_SUBST(enable_gcov) | |
| 75 | |
| 111 | 76 AC_ARG_ENABLE(vtable-verify, |
| 77 [ --enable-vtable-verify Enable vtable verification feature ], | |
| 78 [case "$enableval" in | |
| 79 yes) enable_vtable_verify=yes ;; | |
| 80 no) enable_vtable_verify=no ;; | |
| 81 *) enable_vtable_verify=no;; | |
| 82 esac], | |
| 83 [enable_vtable_verify=no]) | |
| 84 AC_SUBST(enable_vtable_verify) | |
| 85 | |
| 86 AC_ARG_WITH(aix-soname, | |
| 87 [AS_HELP_STRING([--with-aix-soname=aix|svr4|both], | |
| 88 [shared library versioning (aka "SONAME") variant to provide on AIX])], | |
| 89 [case "${host}:${enable_shared}" in | |
| 90 power*-*-aix[[5-9]]*:yes) | |
| 91 AC_MSG_CHECKING([which variant of shared library versioning to provide for shared libgcc]) | |
| 92 case ${withval} in | |
| 93 aix|svr4|both) ;; | |
| 94 *) AC_MSG_ERROR([Unknown argument to --with-aix-soname]);; | |
| 95 esac | |
| 96 AC_MSG_RESULT($withval) | |
| 97 ;; | |
| 98 *) with_aix_soname=aix ;; | |
| 99 esac | |
| 100 ], [with_aix_soname=aix]) | |
| 101 AC_SUBST(with_aix_soname) | |
| 102 | |
| 103 GCC_PICFLAG | |
| 104 AC_SUBST(PICFLAG) | |
| 105 | |
| 0 | 106 AC_MSG_CHECKING([for --enable-version-specific-runtime-libs]) |
| 107 AC_ARG_ENABLE(version-specific-runtime-libs, | |
| 108 [ --enable-version-specific-runtime-libs Specify that runtime libraries should be installed in a compiler-specific directory ], | |
| 109 [case "$enableval" in | |
| 110 yes) version_specific_libs=yes ;; | |
| 111 no) version_specific_libs=no ;; | |
| 112 *) AC_MSG_ERROR([Unknown argument to enable/disable version-specific libs]);; | |
| 113 esac], | |
| 114 [version_specific_libs=no]) | |
| 115 AC_MSG_RESULT($version_specific_libs) | |
| 116 | |
| 145 | 117 GCC_WITH_TOOLEXECLIBDIR |
| 118 | |
| 0 | 119 AC_ARG_WITH(slibdir, |
| 120 [ --with-slibdir=DIR shared libraries in DIR [LIBDIR]], | |
| 121 slibdir="$with_slibdir", | |
| 145 | 122 [if test "${version_specific_libs}" = yes; then |
| 0 | 123 slibdir='$(libsubdir)' |
| 124 elif test -n "$with_cross_host" && test x"$with_cross_host" != x"no"; then | |
| 145 | 125 case ${with_toolexeclibdir} in |
| 126 no) | |
| 127 slibdir='$(exec_prefix)/$(host_noncanonical)/lib' | |
| 128 ;; | |
| 129 *) | |
| 130 slibdir=${with_toolexeclibdir} | |
| 131 ;; | |
| 132 esac | |
| 0 | 133 else |
| 134 slibdir='$(libdir)' | |
| 145 | 135 fi]) |
| 0 | 136 AC_SUBST(slibdir) |
| 137 | |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
138 # Command-line options. |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
139 # Very limited version of AC_MAINTAINER_MODE. |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
140 AC_ARG_ENABLE([maintainer-mode], |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
141 [AC_HELP_STRING([--enable-maintainer-mode], |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
142 [enable make rules and dependencies not useful (and |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
143 sometimes confusing) to the casual installer])], |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
144 [case ${enable_maintainer_mode} in |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
145 yes) MAINT='' ;; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
146 no) MAINT='#' ;; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
147 *) AC_MSG_ERROR([--enable-maintainer-mode must be yes or no]) ;; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
148 esac |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
149 maintainer_mode=${enableval}], |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
150 [MAINT='#']) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
151 AC_SUBST([MAINT])dnl |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
152 |
| 0 | 153 AC_PROG_INSTALL |
| 154 | |
| 155 AC_PROG_AWK | |
| 156 # We need awk; bail out if it's missing. | |
| 157 case ${AWK} in | |
| 158 "") AC_MSG_ERROR([can't build without awk, bailing out]) ;; | |
| 159 esac | |
| 160 | |
| 161 AC_CANONICAL_HOST | |
| 162 ACX_NONCANONICAL_HOST | |
|
67
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
163 ACX_NONCANONICAL_TARGET |
| 0 | 164 GCC_TOPLEV_SUBDIRS |
| 165 | |
|
67
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
166 # Calculate toolexeclibdir |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
167 # Also toolexecdir, though it's only used in toolexeclibdir |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
168 case ${version_specific_libs} in |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
169 yes) |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
170 # Need the gcc compiler version to know where to install libraries |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
171 # and header files if --enable-version-specific-runtime-libs option |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
172 # is selected. |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
173 toolexecdir='$(libdir)/gcc/$(target_noncanonical)' |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
174 toolexeclibdir='$(toolexecdir)/$(gcc_version)$(MULTISUBDIR)' |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
175 ;; |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
176 no) |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
177 if test -n "$with_cross_host" && |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
178 test x"$with_cross_host" != x"no"; then |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
179 # Install a library built with a cross compiler in tooldir, not libdir. |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
180 toolexecdir='$(exec_prefix)/$(target_noncanonical)' |
| 145 | 181 case ${with_toolexeclibdir} in |
| 182 no) | |
| 183 toolexeclibdir='$(toolexecdir)/lib' | |
| 184 ;; | |
| 185 *) | |
| 186 toolexeclibdir=${with_toolexeclibdir} | |
| 187 ;; | |
| 188 esac | |
|
67
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
189 else |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
190 toolexecdir='$(libdir)/gcc-lib/$(target_noncanonical)' |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
191 toolexeclibdir='$(libdir)' |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
192 fi |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
193 multi_os_directory=`$CC -print-multi-os-directory` |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
194 case $multi_os_directory in |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
195 .) ;; # Avoid trailing /. |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
196 *) toolexeclibdir=$toolexeclibdir/$multi_os_directory ;; |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
197 esac |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
198 ;; |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
199 esac |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
200 AC_SUBST(toolexecdir) |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
201 AC_SUBST(toolexeclibdir) |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
202 |
| 0 | 203 dnl These must be called before AM_PROG_LIBTOOL, because it may want |
| 204 dnl to call AC_CHECK_PROG. | |
| 205 AC_CHECK_TOOL(AR, ar) | |
| 206 AC_CHECK_TOOL(LIPO, lipo, :) | |
| 207 AC_CHECK_TOOL(NM, nm) | |
| 208 AC_CHECK_TOOL(RANLIB, ranlib, :) | |
| 209 AC_CHECK_TOOL(STRIP, strip, :) | |
| 210 AC_PROG_LN_S | |
| 211 | |
| 212 GCC_NO_EXECUTABLES | |
| 213 AC_PROG_CC | |
| 214 AC_PROG_CPP_WERROR | |
| 215 | |
| 111 | 216 AC_SYS_LARGEFILE |
| 217 | |
| 218 AC_CHECK_SIZEOF([double]) | |
| 219 AC_CHECK_SIZEOF([long double]) | |
| 220 AS_VAR_ARITH([double_type_size], [$ac_cv_sizeof_double \* 8]) | |
| 221 AS_VAR_ARITH([long_double_type_size], [$ac_cv_sizeof_long_double \* 8]) | |
| 222 AC_SUBST(double_type_size) | |
| 223 AC_SUBST(long_double_type_size) | |
| 224 | |
| 225 AC_CHECK_HEADERS(inttypes.h stdint.h stdlib.h ftw.h \ | |
| 226 unistd.h sys/stat.h sys/types.h \ | |
| 145 | 227 string.h strings.h memory.h sys/auxv.h) |
| 111 | 228 AC_HEADER_STDC |
| 229 | |
| 0 | 230 # Check for decimal float support. |
| 231 AC_CACHE_CHECK([whether decimal floating point is supported], [libgcc_cv_dfp], | |
| 111 | 232 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ |
| 233 #include <fenv.h> | |
| 234 ]], [[ | |
| 235 _Decimal32 x; | |
| 236 int fe_except = | |
| 237 FE_INVALID|FE_DIVBYZERO|FE_OVERFLOW|FE_UNDERFLOW|FE_INEXACT; | |
| 238 ]])], | |
| 239 [libgcc_cv_dfp=yes], | |
| 0 | 240 [libgcc_cv_dfp=no])]) |
| 241 decimal_float=$libgcc_cv_dfp | |
| 242 AC_SUBST(decimal_float) | |
| 243 | |
|
67
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
244 GCC_AC_ENABLE_DECIMAL_FLOAT([$host]) |
| 0 | 245 |
| 246 # Check for fixed-point support. | |
| 247 AC_CACHE_CHECK([whether fixed-point is supported], [libgcc_cv_fixed_point], | |
| 145 | 248 [AC_COMPILE_IFELSE([AC_LANG_SOURCE([_Sat _Fract x;])], |
| 249 [libgcc_cv_fixed_point=yes], | |
| 0 | 250 [libgcc_cv_fixed_point=no])]) |
| 251 fixed_point=$libgcc_cv_fixed_point | |
| 252 AC_SUBST(fixed_point) | |
| 253 | |
| 111 | 254 # For platforms with the unwind ABI which includes an unwind library, |
| 255 # libunwind, we can choose to use the system libunwind. | |
| 256 # config.gcc also contains tests of with_system_libunwind. | |
| 257 GCC_CHECK_UNWIND_GETIPINFO | |
| 258 | |
| 259 # Check if the compiler is configured for setjmp/longjmp exceptions. | |
| 260 GCC_CHECK_SJLJ_EXCEPTIONS | |
| 261 | |
| 131 | 262 GCC_CET_FLAGS(CET_FLAGS) |
| 263 AC_SUBST(CET_FLAGS) | |
| 264 | |
| 111 | 265 AC_ARG_ENABLE([explicit-exception-frame-registration], |
| 266 [AC_HELP_STRING([--enable-explicit-exception-frame-registration], | |
| 267 [register exception tables explicitly at module start, for use | |
| 268 e.g. for compatibility with installations without PT_GNU_EH_FRAME support])], | |
| 269 [ | |
| 270 force_explicit_eh_registry= | |
| 271 if test "$enable_explicit_exception_frame_registration" = yes; then | |
| 272 if test $ac_cv_sjlj_exceptions = yes; then | |
| 273 AC_MSG_ERROR([Can't --enable-explicit-exception-frame-registration | |
| 274 with setjmp/longjmp exceptions]) | |
| 275 fi | |
| 276 force_explicit_eh_registry=-DUSE_EH_FRAME_REGISTRY_ALWAYS | |
| 277 fi | |
| 278 ]) | |
| 279 AC_SUBST([force_explicit_eh_registry]) | |
| 280 | |
| 145 | 281 AC_ARG_ENABLE([tm-clone-registry], |
| 282 [ --disable-tm-clone-registry disable TM clone registry], | |
| 283 [ | |
| 284 use_tm_clone_registry= | |
| 285 if test "$enable_tm_clone_registry" = no; then | |
| 286 use_tm_clone_registry=-DUSE_TM_CLONE_REGISTRY=0 | |
| 287 fi | |
| 288 ], | |
| 289 [ | |
| 290 use_tm_clone_registry= | |
| 291 case $target in | |
| 292 msp430*elfbare) | |
| 293 use_tm_clone_registry=-DUSE_TM_CLONE_REGISTRY=0 | |
| 294 ;; | |
| 295 esac | |
| 296 ]) | |
| 297 AC_SUBST([use_tm_clone_registry]) | |
| 298 | |
| 111 | 299 AC_LIB_PROG_LD_GNU |
| 300 | |
| 301 AC_MSG_CHECKING([for thread model used by GCC]) | |
| 302 target_thread_file=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'` | |
| 303 AC_MSG_RESULT([$target_thread_file]) | |
| 304 | |
|
67
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
305 # Check for assembler CFI support. |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
306 AC_CACHE_CHECK([whether assembler supports CFI directives], [libgcc_cv_cfi], |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
307 [AC_COMPILE_IFELSE( |
| 145 | 308 [AC_LANG_SOURCE([asm("\n\ |
|
67
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
309 .text\n\ |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
310 .cfi_startproc\n\ |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
311 .cfi_personality 0, symbol\n\ |
| 145 | 312 .cfi_endproc");])], |
|
67
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
313 [libgcc_cv_cfi=yes], |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
314 [libgcc_cv_cfi=no])]) |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
315 |
| 111 | 316 # Check 32bit or 64bit. In the case of MIPS, this really determines the |
| 317 # word size rather than the address size. | |
| 318 cat > conftest.c <<EOF | |
| 319 #if defined(__x86_64__) || (!defined(__i386__) && defined(__LP64__)) \ | |
| 320 || defined(__mips64) | |
| 0 | 321 host_address=64 |
| 322 #else | |
| 323 host_address=32 | |
| 324 #endif | |
| 325 EOF | |
| 111 | 326 eval `${CC-cc} -E conftest.c | grep host_address=` |
| 327 rm -f conftest.c | |
| 328 | |
| 329 case ${host} in | |
| 330 mips*-*-*) | |
| 331 AC_CACHE_CHECK([whether the target is hard-float], | |
| 332 [libgcc_cv_mips_hard_float], | |
| 333 [AC_COMPILE_IFELSE( | |
| 145 | 334 [AC_LANG_SOURCE([#ifndef __mips_hard_float |
| 111 | 335 #error FOO |
| 145 | 336 #endif |
| 337 ])], | |
| 111 | 338 [libgcc_cv_mips_hard_float=yes], |
| 339 [libgcc_cv_mips_hard_float=no])]) | |
| 340 esac | |
| 341 | |
| 342 case ${host} in | |
| 343 *-*-solaris2*) | |
| 131 | 344 # Check for system-provided CRTs on Solaris 11.4. |
| 111 | 345 AC_CACHE_CHECK([system-provided CRTs on Solaris], |
| 346 [libgcc_cv_solaris_crts], | |
| 347 [libgcc_cv_solaris_crts=no | |
| 348 libgcc_sysroot="`${CC} -print-sysroot`" | |
| 349 libgcc_libdir="$libgcc_sysroot/usr/lib" | |
| 350 # At the time they were added, gcrt1.o became a symlink for backwards | |
| 351 # compatibility on x86, while crt1.o was added on sparc, so check for that. | |
| 352 case ${host} in | |
| 353 i?86-*-solaris2* | x86_64-*-solaris2*) | |
| 354 if test -h "$libgcc_libdir/gcrt1.o"; then libgcc_cv_solaris_crts=yes; fi | |
| 355 ;; | |
| 356 sparc*-*-solaris2*) | |
| 357 if test -f "$libgcc_libdir/crt1.o"; then libgcc_cv_solaris_crts=yes; fi | |
| 358 ;; | |
| 359 esac]) | |
| 360 if test $libgcc_cv_solaris_crts = yes; then | |
| 361 AC_DEFINE(HAVE_SOLARIS_CRTS, 1, | |
| 362 [Define if the system-provided CRTs are present on Solaris.]) | |
| 363 fi | |
| 364 ;; | |
| 365 esac | |
| 366 | |
| 367 # Determine the version of glibc, if any, used on the target. | |
| 368 AC_MSG_CHECKING([for target glibc version]) | |
| 369 AC_ARG_WITH([glibc-version], | |
| 370 [AS_HELP_STRING([--with-glibc-version=M.N], | |
| 371 [assume GCC used with glibc version M.N or later])], [ | |
| 372 if [echo "$with_glibc_version" | grep '^[0-9][0-9]*\.[0-9][0-9]*$']; then | |
| 373 glibc_version_major=`echo "$with_glibc_version" | sed -e 's/\..*//'` | |
| 374 glibc_version_minor=`echo "$with_glibc_version" | sed -e 's/.*\.//'` | |
| 375 else | |
| 376 AC_MSG_ERROR([option --with-glibc-version requires a version number M.N]) | |
| 377 fi], [ | |
| 378 AC_COMPUTE_INT([glibc_version_major], [__GLIBC__], | |
| 379 [#include <features.h>], | |
| 380 [glibc_version_major=0]) | |
| 381 AC_COMPUTE_INT([glibc_version_minor], [__GLIBC_MINOR__], | |
| 382 [#include <features.h>], | |
| 383 [glibc_version_minor=0])]) | |
| 384 AC_MSG_RESULT([$glibc_version_major.$glibc_version_minor]) | |
| 385 | |
| 386 # Determine floating-point type for powerpc*-*-linux*. | |
| 387 # Single-precision-only FPRs are not a supported configuration for | |
| 388 # this target, so are not allowed for in this test. | |
| 389 case ${host} in | |
| 390 powerpc*-*-linux*) | |
| 391 cat > conftest.c <<EOF | |
| 392 #ifdef __powerpc64__ | |
| 393 ppc_fp_type=64 | |
| 394 #elif defined _SOFT_FLOAT | |
| 395 ppc_fp_type=soft | |
| 396 #elif defined _SOFT_DOUBLE | |
| 397 ppc_fp_type=e500v1 | |
| 398 #elif defined __NO_FPRS__ | |
| 399 ppc_fp_type=e500v2 | |
| 400 #else | |
| 401 ppc_fp_type=hard | |
| 402 #endif | |
| 403 EOF | |
| 404 eval `${CC-cc} -E conftest.c | grep ppc_fp_type=` | |
| 405 rm -f conftest.c | |
| 406 # glibc 2.19 and later provide all the soft-fp functions, with proper | |
| 407 # interactions with <fenv.h> exception and rounding mode handling, so | |
| 408 # make libgcc's versions into compat symbols if a recent enough glibc | |
| 409 # version is being used. | |
| 410 ppc_fp_compat= | |
| 411 case ${ppc_fp_type} in | |
| 412 soft|e500v1|e500v2) | |
| 413 if test $glibc_version_major -gt 2 \ | |
| 414 || ( test $glibc_version_major -eq 2 \ | |
| 415 && test $glibc_version_minor -ge 19 ); then | |
| 416 ppc_fp_compat="t-softfp-compat" | |
| 417 fi | |
| 418 ;; | |
| 419 esac | |
| 420 ;; | |
| 421 esac | |
| 422 | |
| 423 case ${host} in | |
| 424 # At present, we cannot turn -mfloat128 on via #pragma GCC target, so just | |
| 425 # check if we have VSX (ISA 2.06) support to build the software libraries, and | |
| 426 # whether the assembler can handle xsaddqp for hardware support. Also check if | |
| 427 # a new glibc is being used so that __builtin_cpu_supports can be used. | |
| 428 powerpc*-*-linux*) | |
| 429 saved_CFLAGS="$CFLAGS" | |
| 430 CFLAGS="$CFLAGS -mabi=altivec -mvsx -mfloat128" | |
| 431 AC_CACHE_CHECK([for PowerPC ISA 2.06 to build __float128 libraries], | |
| 432 [libgcc_cv_powerpc_float128], | |
| 433 [AC_COMPILE_IFELSE( | |
| 145 | 434 [AC_LANG_SOURCE([vector double dadd (vector double a, vector double b) { return a + b; }])], |
| 111 | 435 [libgcc_cv_powerpc_float128=yes], |
| 436 [libgcc_cv_powerpc_float128=no])]) | |
| 437 | |
| 438 CFLAGS="$CFLAGS -mpower9-vector -mfloat128-hardware" | |
| 439 AC_CACHE_CHECK([for PowerPC ISA 3.0 to build hardware __float128 libraries], | |
| 440 [libgcc_cv_powerpc_float128_hw], | |
| 441 [AC_COMPILE_IFELSE( | |
| 145 | 442 [AC_LANG_SOURCE([#include <sys/auxv.h> |
| 111 | 443 #ifndef AT_PLATFORM |
| 444 #error "AT_PLATFORM is not defined" | |
| 445 #endif | |
| 446 #ifndef __BUILTIN_CPU_SUPPORTS__ | |
| 447 #error "__builtin_cpu_supports is not available" | |
| 448 #endif | |
| 449 vector unsigned char add (vector unsigned char a, vector unsigned char b) | |
| 450 { | |
| 451 vector unsigned char ret; | |
| 452 __asm__ ("xsaddqp %0,%1,%2" : "=v" (ret) : "v" (a), "v" (b)); | |
| 453 return ret; | |
| 454 } | |
| 455 void *add_resolver (void) { return (void *) add; } | |
| 456 __float128 add_ifunc (__float128, __float128) | |
| 145 | 457 __attribute__ ((__ifunc__ ("add_resolver")));])], |
| 111 | 458 [libgcc_cv_powerpc_float128_hw=yes], |
| 459 [libgcc_cv_powerpc_float128_hw=no])]) | |
| 460 CFLAGS="$saved_CFLAGS" | |
| 0 | 461 esac |
| 462 | |
| 463 # Collect host-machine-specific information. | |
| 464 . ${srcdir}/config.host | |
| 465 | |
| 111 | 466 # Used for constructing correct paths for offload compilers. |
| 467 accel_dir_suffix= | |
| 468 real_host_noncanonical=${host_noncanonical} | |
| 469 if test x"$enable_as_accelerator_for" != x; then | |
| 470 accel_dir_suffix=/accel/${target_noncanonical} | |
| 471 real_host_noncanonical=${enable_as_accelerator_for} | |
| 472 fi | |
| 473 AC_SUBST(accel_dir_suffix) | |
| 474 AC_SUBST(real_host_noncanonical) | |
| 475 | |
| 476 if test x"$enable_offload_targets" != x; then | |
| 477 extra_parts="${extra_parts} crtoffloadbegin.o crtoffloadend.o crtoffloadtable.o" | |
| 478 fi | |
| 479 | |
| 0 | 480 # Check if Solaris/x86 linker supports ZERO terminator unwind entries. |
| 481 # This is after config.host so we can augment tmake_file. | |
| 482 # Link with -nostartfiles -nodefaultlibs since neither are present while | |
| 483 # building libgcc. | |
| 484 case ${host} in | |
| 145 | 485 i?86-*-solaris2* | x86_64-*-solaris2*) |
| 0 | 486 cat > conftest.s <<EOF |
| 487 .section .eh_frame,"a",@unwind | |
| 488 .zero 4 | |
| 489 .section .jcr,"aw",@progbits | |
| 490 .zero 8 | |
| 491 EOF | |
| 492 if AC_TRY_COMMAND(${CC-cc} -shared -nostartfiles -nodefaultlibs -o conftest.so conftest.s 1>&AS_MESSAGE_LOG_FD); then | |
| 111 | 493 tmake_file="${tmake_file} i386/t-crtstuff" |
| 494 fi | |
| 495 ;; | |
| 496 esac | |
| 497 | |
| 131 | 498 # Check if Solaris linker support v2 linker mapfile syntax. |
| 499 # Link with -nostartfiles -nodefaultlibs since neither are present while | |
| 500 # building libgcc. | |
| 501 case ${host} in | |
| 502 *-*-solaris2*) | |
| 503 solaris_ld_v2_maps=no | |
| 504 echo 'int main(void) {return 0;}' > conftest.c | |
| 505 echo '$mapfile_version 2' > conftest.map | |
| 506 if AC_TRY_COMMAND([${CC-cc} -nostartfiles -nodefaultlibs -Wl,-M,conftest.map -o conftest conftest.c 1>&AS_MESSAGE_LOG_FD]); then | |
| 507 solaris_ld_v2_maps=yes | |
| 508 fi | |
| 509 ;; | |
| 510 esac | |
| 511 AC_SUBST(solaris_ld_v2_maps) | |
| 512 | |
| 111 | 513 # Check if xtensa target is configured for windowed ABI and thus needs to use |
| 514 # custom unwind code. | |
| 515 # This is after config.host so we can augment tmake_file. | |
| 516 case ${host} in | |
| 517 xtensa*-*) | |
| 518 cat > conftest.c <<EOF | |
| 519 #ifdef __XTENSA_CALL0_ABI__ | |
| 520 #error | |
| 521 #endif | |
| 522 EOF | |
| 523 if AC_TRY_COMMAND(${CC-cc} -E -o conftest.i conftest.c 1>&AS_MESSAGE_LOG_FD); then | |
| 524 tmake_file="${tmake_file} xtensa/t-windowed" | |
| 0 | 525 fi |
| 526 ;; | |
| 527 esac | |
| 528 | |
| 529 # Check for visibility support. This is after config.host so that | |
| 530 # we can check for asm_hidden_op. | |
| 531 AC_CACHE_CHECK([for __attribute__((visibility("hidden")))], | |
| 532 libgcc_cv_hidden_visibility_attribute, [ | |
| 533 echo 'int __attribute__ ((visibility ("hidden"))) foo (void) { return 1; }' > conftest.c | |
| 534 libgcc_cv_hidden_visibility_attribute=no | |
| 535 if AC_TRY_COMMAND(${CC-cc} -Werror -S conftest.c -o conftest.s 1>&AS_MESSAGE_LOG_FD); then | |
| 536 if grep "\\$asm_hidden_op.*foo" conftest.s >/dev/null; then | |
| 537 libgcc_cv_hidden_visibility_attribute=yes | |
| 538 fi | |
| 539 fi | |
| 540 rm -f conftest.* | |
| 541 ]) | |
| 542 | |
| 543 if test $libgcc_cv_hidden_visibility_attribute = yes; then | |
| 544 vis_hide='-fvisibility=hidden -DHIDE_EXPORTS' | |
| 131 | 545 AC_DEFINE_UNQUOTED(AS_HIDDEN_DIRECTIVE, $asm_hidden_op, [Define to the .hidden-like directive if it exists.]) |
| 0 | 546 else |
| 547 vis_hide= | |
| 548 fi | |
| 549 AC_SUBST(vis_hide) | |
| 550 | |
| 131 | 551 # Check for .cfi_sections .debug_frame support. |
| 552 AC_CACHE_CHECK([for .cfi_sections .debug_frame], | |
| 553 libgcc_cv_cfi_sections_directive, [ | |
| 554 echo 'int foo (int, char *);' > conftest.c | |
| 555 echo 'int bar (int x) { char *y = __builtin_alloca (x); return foo (x + 1, y) + 1; }' >> conftest.c | |
| 556 libgcc_cv_cfi_sections_directive=no | |
| 557 if AC_TRY_COMMAND(${CC-cc} -Werror -g -fno-asynchronous-unwind-tables -fno-unwind-tables -fno-exceptions -S conftest.c -o conftest.s 1>&AS_MESSAGE_LOG_FD); then | |
| 558 if grep "\\.cfi_sections.*\\.debug_frame" conftest.s >/dev/null; then | |
| 559 libgcc_cv_cfi_sections_directive=yes | |
| 560 fi | |
| 561 fi | |
| 562 rm -f conftest.* | |
| 563 ]) | |
| 564 if test $libgcc_cv_cfi_sections_directive = yes; then | |
| 565 AC_DEFINE(HAVE_AS_CFI_SECTIONS, 1, [Define to 1 if the assembler supports .cfi_sections .debug_frame directive.]) | |
| 566 fi | |
| 567 | |
| 0 | 568 # See if we have thread-local storage. We can only test assembler |
| 111 | 569 # since link-time and run-time tests require the newly built |
| 0 | 570 # gcc, which can't be used to build executable due to that libgcc |
| 571 # is yet to be built here. | |
| 572 GCC_CHECK_CC_TLS | |
| 573 set_have_cc_tls= | |
| 574 if test "$enable_tls $gcc_cv_have_cc_tls" = "yes yes"; then | |
| 575 set_have_cc_tls="-DHAVE_CC_TLS" | |
| 576 fi | |
| 577 AC_SUBST(set_have_cc_tls) | |
| 578 | |
|
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
579 # See if we have emulated thread-local storage. |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
580 GCC_CHECK_EMUTLS |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
581 set_use_emutls= |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
582 if test "$enable_tls $gcc_cv_use_emutls" = "yes yes"; then |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
583 set_use_emutls="-DUSE_EMUTLS" |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
584 fi |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
585 AC_SUBST(set_use_emutls) |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
586 |
| 111 | 587 dnl Check if as supports AVX instructions. |
| 588 AC_DEFUN([LIBGCC_CHECK_AS_AVX], [ | |
| 589 case "${target}" in | |
| 590 i[[34567]]86-*-* | x86_64-*-*) | |
| 591 AC_CACHE_CHECK([if the assembler supports AVX], libgcc_cv_as_avx, [ | |
| 592 AC_TRY_COMPILE([], [asm("vzeroupper");], | |
| 593 [libgcc_cv_as_avx=yes], [libgcc_cv_as_avx=no]) | |
| 594 ]) | |
| 595 if test x$libgcc_cv_as_avx = xyes; then | |
| 596 AC_DEFINE(HAVE_AS_AVX, 1, [Define to 1 if the assembler supports AVX.]) | |
| 597 fi | |
| 598 ;; | |
| 599 esac]) | |
| 600 LIBGCC_CHECK_AS_AVX | |
| 601 | |
| 602 dnl Check if as supports RTM instructions. | |
| 603 AC_CACHE_CHECK(for init priority support, libgcc_cv_init_priority, [ | |
| 604 AC_COMPILE_IFELSE([AC_LANG_PROGRAM(, | |
| 605 [[void ip (void) __attribute__ ((constructor (1)));]])], | |
| 606 [libgcc_cv_init_priority=yes],[libgcc_cv_init_priority=no])]) | |
| 607 if test $libgcc_cv_init_priority = yes; then | |
| 608 AC_DEFINE(HAVE_INIT_PRIORITY, 1, | |
| 609 [Define if the compiler supports init priority.]) | |
| 610 fi | |
| 611 | |
| 612 # Conditionalize the sfp-machine.h header for this target machine. | |
| 613 if test -z "${sfp_machine_header}"; then | |
| 614 sfp_machine_header=$cpu_type/sfp-machine.h | |
| 615 if test -f ${srcdir}/config/${sfp_machine_header}; then | |
| 616 : | |
| 617 else | |
| 618 sfp_machine_header=no-sfp-machine.h | |
| 619 fi | |
| 620 fi | |
| 621 AC_SUBST(sfp_machine_header) | |
| 622 | |
| 0 | 623 # Conditionalize the makefile for this target machine. |
| 624 tmake_file_= | |
| 625 for f in ${tmake_file} | |
| 626 do | |
| 627 if test -f ${srcdir}/config/$f | |
| 628 then | |
| 629 tmake_file_="${tmake_file_} \$(srcdir)/config/$f" | |
| 630 fi | |
| 631 done | |
| 632 tmake_file="${tmake_file_}" | |
| 633 AC_SUBST(tmake_file) | |
| 634 | |
| 111 | 635 # Likewise export definitions for libgcc_tm.h |
| 636 tm_file_= | |
| 637 for f in ${tm_file} | |
| 638 do | |
| 639 tm_file_="${tm_file_} \$(srcdir)/config/$f" | |
| 640 done | |
| 641 tm_file="${tm_file_}" | |
| 642 AC_SUBST(tm_file) | |
| 643 AC_SUBST(tm_defines) | |
| 644 | |
| 645 # Map from thread model to thread header. | |
| 646 GCC_AC_THREAD_HEADER([$target_thread_file]) | |
| 647 | |
| 648 # Determine what GCC version number to use in filesystem paths. | |
| 649 GCC_BASE_VER | |
| 650 | |
| 0 | 651 # Substitute configuration variables |
| 111 | 652 AC_SUBST(cpu_type) |
| 0 | 653 AC_SUBST(extra_parts) |
| 654 AC_SUBST(asm_hidden_op) | |
| 111 | 655 AC_SUBST(enable_execute_stack) |
| 656 AC_SUBST(unwind_header) | |
| 657 AC_SUBST(md_unwind_header) | |
| 658 AC_SUBST(sfp_machine_header) | |
| 659 AC_SUBST(thread_header) | |
| 0 | 660 |
| 661 # We need multilib support. | |
| 662 AC_CONFIG_FILES([Makefile]) | |
| 663 AC_CONFIG_COMMANDS([default], | |
| 664 [[test -z "$CONFIG_HEADERS" || echo timestamp > stamp-h | |
| 665 if test -n "$CONFIG_FILES"; then | |
| 666 # FIXME: We shouldn't need to set ac_file | |
| 667 ac_file=Makefile | |
| 668 . ${libgcc_topdir}/config-ml.in | |
| 669 fi]], | |
| 670 [[srcdir=${srcdir} | |
| 671 host=${host} | |
| 672 with_target_subdir=${with_target_subdir} | |
| 673 with_multisubdir=${with_multisubdir} | |
| 674 ac_configure_args="--enable-multilib ${ac_configure_args}" | |
| 675 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh} | |
| 676 libgcc_topdir=${libgcc_topdir} | |
| 677 CC="${CC}" | |
| 678 ]]) | |
| 679 AC_OUTPUT |