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comparison libgcc/configure.ac @ 67:f6334be47118

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update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
author nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
date Tue, 22 Mar 2011 17:18:12 +0900
parents b7f97abdc517
children 04ced10e8804
comparison
equal deleted inserted replaced
65:65488c3d617d 67:f6334be47118
3 sinclude(../config/enable.m4) 3 sinclude(../config/enable.m4)
4 sinclude(../config/tls.m4) 4 sinclude(../config/tls.m4)
5 sinclude(../config/acx.m4) 5 sinclude(../config/acx.m4)
6 sinclude(../config/no-executables.m4) 6 sinclude(../config/no-executables.m4)
7 sinclude(../config/override.m4) 7 sinclude(../config/override.m4)
8 sinclude(../config/dfp.m4)
8 9
9 AC_PREREQ(2.64) 10 AC_PREREQ(2.64)
10 AC_INIT([GNU C Runtime Library], 1.0,,[libgcc]) 11 AC_INIT([GNU C Runtime Library], 1.0,,[libgcc])
11 AC_CONFIG_SRCDIR([static-object.mk]) 12 AC_CONFIG_SRCDIR([static-object.mk])
12 13
101 "") AC_MSG_ERROR([can't build without awk, bailing out]) ;; 102 "") AC_MSG_ERROR([can't build without awk, bailing out]) ;;
102 esac 103 esac
103 104
104 AC_CANONICAL_HOST 105 AC_CANONICAL_HOST
105 ACX_NONCANONICAL_HOST 106 ACX_NONCANONICAL_HOST
107 ACX_NONCANONICAL_TARGET
106 GCC_TOPLEV_SUBDIRS 108 GCC_TOPLEV_SUBDIRS
109
110 # Calculate toolexeclibdir
111 # Also toolexecdir, though it's only used in toolexeclibdir
112 case ${version_specific_libs} in
113 yes)
114 # Need the gcc compiler version to know where to install libraries
115 # and header files if --enable-version-specific-runtime-libs option
116 # is selected.
117 toolexecdir='$(libdir)/gcc/$(target_noncanonical)'
118 toolexeclibdir='$(toolexecdir)/$(gcc_version)$(MULTISUBDIR)'
119 ;;
120 no)
121 if test -n "$with_cross_host" &&
122 test x"$with_cross_host" != x"no"; then
123 # Install a library built with a cross compiler in tooldir, not libdir.
124 toolexecdir='$(exec_prefix)/$(target_noncanonical)'
125 toolexeclibdir='$(toolexecdir)/lib'
126 else
127 toolexecdir='$(libdir)/gcc-lib/$(target_noncanonical)'
128 toolexeclibdir='$(libdir)'
129 fi
130 multi_os_directory=`$CC -print-multi-os-directory`
131 case $multi_os_directory in
132 .) ;; # Avoid trailing /.
133 *) toolexeclibdir=$toolexeclibdir/$multi_os_directory ;;
134 esac
135 ;;
136 esac
137 AC_SUBST(toolexecdir)
138 AC_SUBST(toolexeclibdir)
107 139
108 dnl These must be called before AM_PROG_LIBTOOL, because it may want 140 dnl These must be called before AM_PROG_LIBTOOL, because it may want
109 dnl to call AC_CHECK_PROG. 141 dnl to call AC_CHECK_PROG.
110 AC_CHECK_TOOL(AR, ar) 142 AC_CHECK_TOOL(AR, ar)
111 AC_CHECK_TOOL(LIPO, lipo, :) 143 AC_CHECK_TOOL(LIPO, lipo, :)
123 [AC_COMPILE_IFELSE([_Decimal32 x;], [libgcc_cv_dfp=yes], 155 [AC_COMPILE_IFELSE([_Decimal32 x;], [libgcc_cv_dfp=yes],
124 [libgcc_cv_dfp=no])]) 156 [libgcc_cv_dfp=no])])
125 decimal_float=$libgcc_cv_dfp 157 decimal_float=$libgcc_cv_dfp
126 AC_SUBST(decimal_float) 158 AC_SUBST(decimal_float)
127 159
128 AC_ARG_ENABLE(decimal-float, 160 GCC_AC_ENABLE_DECIMAL_FLOAT([$host])
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 $host in
154 i?86*-*-linux* | x86_64*-*-linux*)
155 enable_decimal_float=bid
156 ;;
157 *)
158 enable_decimal_float=dpd
159 ;;
160 esac
161 fi
162 AC_SUBST(enable_decimal_float)
163 161
164 # Check for fixed-point support. 162 # Check for fixed-point support.
165 AC_CACHE_CHECK([whether fixed-point is supported], [libgcc_cv_fixed_point], 163 AC_CACHE_CHECK([whether fixed-point is supported], [libgcc_cv_fixed_point],
166 [AC_COMPILE_IFELSE([_Sat _Fract x;], [libgcc_cv_fixed_point=yes], 164 [AC_COMPILE_IFELSE([_Sat _Fract x;], [libgcc_cv_fixed_point=yes],
167 [libgcc_cv_fixed_point=no])]) 165 [libgcc_cv_fixed_point=no])])
168 fixed_point=$libgcc_cv_fixed_point 166 fixed_point=$libgcc_cv_fixed_point
169 AC_SUBST(fixed_point) 167 AC_SUBST(fixed_point)
168
169 # Check for assembler CFI support.
170 AC_CACHE_CHECK([whether assembler supports CFI directives], [libgcc_cv_cfi],
171 [AC_COMPILE_IFELSE(
172 [asm("\n\
173 .text\n\
174 .cfi_startproc\n\
175 .cfi_personality 0, symbol\n\
176 .cfi_endproc");],
177 [libgcc_cv_cfi=yes],
178 [libgcc_cv_cfi=no])])
170 179
171 # Check 32bit or 64bit for x86. 180 # Check 32bit or 64bit for x86.
172 case ${host} in 181 case ${host} in
173 i?86*-*-* | x86_64*-*-*) 182 i?86*-*-* | x86_64*-*-*)
174 cat > conftest.c <<EOF 183 cat > conftest.c <<EOF
189 # Check if Solaris/x86 linker supports ZERO terminator unwind entries. 198 # Check if Solaris/x86 linker supports ZERO terminator unwind entries.
190 # This is after config.host so we can augment tmake_file. 199 # This is after config.host so we can augment tmake_file.
191 # Link with -nostartfiles -nodefaultlibs since neither are present while 200 # Link with -nostartfiles -nodefaultlibs since neither are present while
192 # building libgcc. 201 # building libgcc.
193 case ${host} in 202 case ${host} in
194 i?86-*-solaris2.1[[0-9]]*) 203 i?86-*-solaris2*)
195 cat > conftest.s <<EOF 204 cat > conftest.s <<EOF
196 .section .eh_frame,"a",@unwind 205 .section .eh_frame,"a",@unwind
197 .zero 4 206 .zero 4
198 .section .jcr,"aw",@progbits 207 .section .jcr,"aw",@progbits
199 .zero 8 208 .zero 8