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annotate libcpp/configure.ac @ 158:494b0b89df80 default tip
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| 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 # -*- Autoconf -*- |
| 2 # Process this file with autoconf to produce a configure script. | |
| 3 | |
| 4 AC_INIT(cpplib, [ ], gcc-bugs@gcc.gnu.org, cpplib) | |
| 5 AC_CONFIG_SRCDIR(ucnid.h) | |
| 6 AC_CONFIG_MACRO_DIR(../config) | |
| 7 AC_CANONICAL_SYSTEM | |
| 8 | |
| 9 # Checks for programs. | |
| 10 AC_PROG_MAKE_SET | |
| 11 AC_PROG_INSTALL | |
| 12 AC_PROG_CC | |
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13 AC_PROG_CXX |
| 0 | 14 AC_PROG_RANLIB |
| 15 | |
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16 AC_USE_SYSTEM_EXTENSIONS |
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17 AC_SYS_LARGEFILE |
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18 |
| 0 | 19 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing |
| 20 AC_CHECK_PROGS([ACLOCAL], [aclocal], [$MISSING aclocal]) | |
| 21 AC_CHECK_PROGS([AUTOCONF], [autoconf], [$MISSING autoconf]) | |
| 22 AC_CHECK_PROGS([AUTOHEADER], [autoheader], [$MISSING autoheader]) | |
| 23 | |
| 24 # Figure out what compiler warnings we can enable. | |
| 25 # See config/warnings.m4 for details. | |
| 26 | |
| 111 | 27 ACX_PROG_CC_WARNING_OPTS([-W -Wall -Wno-narrowing -Wwrite-strings \ |
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28 -Wmissing-format-attribute], [warn]) |
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29 ACX_PROG_CC_WARNING_OPTS([-Wstrict-prototypes -Wmissing-prototypes \ |
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30 -Wold-style-definition -Wc++-compat], [c_warn]) |
| 0 | 31 ACX_PROG_CC_WARNING_ALMOST_PEDANTIC([-Wno-long-long]) |
| 32 | |
| 111 | 33 # Disable exceptions and RTTI if building with g++ |
| 34 ACX_PROG_CC_WARNING_OPTS( | |
| 35 m4_quote(m4_do([-fno-exceptions -fno-rtti])), [noexception_flags]) | |
| 36 | |
| 0 | 37 # Only enable with --enable-werror-always until existing warnings are |
| 38 # corrected. | |
| 39 ACX_PROG_CC_WARNINGS_ARE_ERRORS([manual]) | |
| 40 | |
| 41 # Dependency checking. | |
| 42 ZW_CREATE_DEPDIR | |
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43 AC_LANG_PUSH([C++]) |
| 145 | 44 AC_COMPILE_IFELSE([AC_LANG_SOURCE([int i;])], [], |
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45 [AC_MSG_ERROR([C++ compiler missing or inoperational])]) |
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46 AC_LANG_POP([C++]) |
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47 ZW_PROG_COMPILER_DEPENDENCIES([CXX]) |
| 0 | 48 |
| 49 # Checks for header files. | |
| 50 AC_HEADER_TIME | |
| 51 ACX_HEADER_STRING | |
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52 |
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53 AC_CHECK_HEADERS(locale.h fcntl.h limits.h stddef.h \ |
| 0 | 54 stdlib.h strings.h string.h sys/file.h unistd.h) |
| 55 | |
| 56 # Checks for typedefs, structures, and compiler characteristics. | |
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57 AC_C_BIGENDIAN |
| 0 | 58 AC_C_CONST |
| 59 AC_C_INLINE | |
| 60 AC_FUNC_OBSTACK | |
| 61 AC_TYPE_OFF_T | |
| 62 AC_TYPE_SIZE_T | |
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63 AC_TYPE_SSIZE_T |
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64 AC_TYPE_UINTPTR_T |
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65 AC_CHECK_TYPE(ptrdiff_t, int) |
| 111 | 66 AC_TYPE_UINT64_T |
| 67 if test x"$ac_cv_c_uint64_t" = x"no"; then | |
| 68 AC_MSG_ERROR([uint64_t not found]) | |
| 69 fi | |
| 0 | 70 AC_STRUCT_TM |
| 71 AC_CHECK_SIZEOF(int) | |
| 72 AC_CHECK_SIZEOF(long) | |
| 73 define(libcpp_UNLOCKED_FUNCS, clearerr_unlocked feof_unlocked dnl | |
| 74 ferror_unlocked fflush_unlocked fgetc_unlocked fgets_unlocked dnl | |
| 75 fileno_unlocked fprintf_unlocked fputc_unlocked fputs_unlocked dnl | |
| 76 fread_unlocked fwrite_unlocked getchar_unlocked getc_unlocked dnl | |
| 77 putchar_unlocked putc_unlocked) | |
| 78 AC_CHECK_FUNCS(libcpp_UNLOCKED_FUNCS) | |
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79 AC_CHECK_DECLS([abort, asprintf, basename(char *), errno, getopt, vasprintf]) |
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80 AC_CHECK_DECLS(m4_split(m4_normalize(libcpp_UNLOCKED_FUNCS))) |
| 0 | 81 |
| 82 # Checks for library functions. | |
| 83 AC_FUNC_ALLOCA | |
| 84 AC_HEADER_STDC | |
| 85 AM_LANGINFO_CODESET | |
| 86 ZW_GNU_GETTEXT_SISTER_DIR | |
| 87 | |
| 88 AC_CACHE_CHECK(for uchar, gcc_cv_type_uchar, | |
| 89 [AC_TRY_COMPILE([ | |
| 90 #include <sys/types.h> | |
| 91 ], | |
| 92 [if ((uchar *)0) return 0; | |
| 93 if (sizeof(uchar)) return 0;], | |
| 94 ac_cv_type_uchar=yes, ac_cv_type_uchar=no)]) | |
| 95 if test $ac_cv_type_uchar = yes; then | |
| 96 AC_DEFINE(HAVE_UCHAR, 1, | |
| 97 [Define if <sys/types.h> defines \`uchar'.]) | |
| 98 fi | |
| 99 | |
| 111 | 100 # g++ on Solaris 10+ defines _XOPEN_SOURCE=600, which exposes a different |
| 101 # iconv() prototype. | |
| 102 AC_LANG_PUSH([C++]) | |
| 0 | 103 AM_ICONV |
| 111 | 104 AC_LANG_POP([C++]) |
| 0 | 105 |
| 106 # More defines and substitutions. | |
| 107 PACKAGE="$PACKAGE_TARNAME" | |
| 108 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Define to the name of this package.]) | |
| 109 AC_SUBST(PACKAGE) | |
| 110 | |
| 111 if test "x$enable_nls" != xno; then | |
| 112 USED_CATALOGS='$(CATALOGS)' | |
| 113 else | |
| 114 USED_CATALOGS= | |
| 115 fi | |
| 116 AC_SUBST(USED_CATALOGS) | |
| 117 | |
| 118 AC_ARG_ENABLE(maintainer-mode, | |
| 119 [ --enable-maintainer-mode enable rules only needed by maintainers],, | |
| 120 enable_maintainer_mode=no) | |
| 121 | |
| 122 if test "x$enable_maintainer_mode" = xno; then | |
| 123 MAINT='#' | |
| 124 else | |
| 125 MAINT= | |
| 126 fi | |
| 127 AC_SUBST(MAINT) | |
| 128 | |
| 111 | 129 # Enable expensive internal checks |
| 130 is_release= | |
| 131 if test -f $srcdir/../gcc/DEV-PHASE \ | |
| 132 && test x"`cat $srcdir/../gcc/DEV-PHASE`" != xexperimental; then | |
| 133 is_release=yes | |
| 0 | 134 fi |
| 135 | |
| 111 | 136 AC_ARG_ENABLE(checking, |
| 137 [AS_HELP_STRING([[--enable-checking[=LIST]]], | |
| 138 [enable expensive run-time checks. With LIST, | |
| 139 enable only specific categories of checks. | |
| 140 Categories are: yes,no,all,none,release. | |
| 141 Flags are: misc,valgrind or other strings])], | |
| 142 [ac_checking_flags="${enableval}"],[ | |
| 143 # Determine the default checks. | |
| 144 if test x$is_release = x ; then | |
| 145 ac_checking_flags=yes | |
| 146 else | |
| 147 ac_checking_flags=release | |
| 148 fi]) | |
| 149 IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS," | |
| 150 for check in release $ac_checking_flags | |
| 151 do | |
| 152 case $check in | |
| 153 # these set all the flags to specific states | |
| 154 yes|all) ac_checking=1 ; ac_assert_checking=1 ; ac_valgrind_checking= ;; | |
| 155 no|none) ac_checking= ; ac_assert_checking= ; ac_valgrind_checking= ;; | |
| 156 release) ac_checking= ; ac_assert_checking=1 ; ac_valgrind_checking= ;; | |
| 157 # these enable particular checks | |
| 158 assert) ac_assert_checking=1 ;; | |
| 159 misc) ac_checking=1 ;; | |
| 160 valgrind) ac_valgrind_checking=1 ;; | |
| 161 # accept | |
| 162 *) ;; | |
| 163 esac | |
| 164 done | |
| 165 IFS="$ac_save_IFS" | |
| 166 | |
| 167 if test x$ac_checking != x ; then | |
| 168 AC_DEFINE(CHECKING_P, 1, | |
| 169 [Define to 1 if you want more run-time sanity checks.]) | |
| 170 else | |
| 171 AC_DEFINE(CHECKING_P, 0) | |
| 172 fi | |
| 0 | 173 |
| 111 | 174 if test x$ac_assert_checking != x ; then |
| 175 AC_DEFINE(ENABLE_ASSERT_CHECKING, 1, | |
| 176 [Define if you want assertions enabled. This is a cheap check.]) | |
| 177 fi | |
| 0 | 178 |
| 111 | 179 if test x$ac_valgrind_checking != x ; then |
| 180 AC_DEFINE(ENABLE_VALGRIND_CHECKING, 1, | |
| 181 [Define if you want to workaround valgrind (a memory checker) warnings about | |
| 182 possible memory leaks because of libcpp use of interior pointers.]) | |
| 183 fi | |
| 184 | |
| 185 AC_ARG_ENABLE(canonical-system-headers, | |
| 186 [ --enable-canonical-system-headers | |
| 187 enable or disable system headers canonicalization], | |
| 188 [], | |
| 189 enable_canonical_system_headers=yes) | |
| 190 if test $enable_canonical_system_headers != no; then | |
| 191 AC_DEFINE(ENABLE_CANONICAL_SYSTEM_HEADERS, | |
| 192 1, [Define to enable system headers canonicalization.]) | |
| 193 fi | |
| 0 | 194 |
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195 case $target in |
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196 i?86-* | x86_64-*) |
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197 AC_TRY_COMPILE([], [asm ("pcmpestri %0, %%xmm0, %%xmm1" : : "i"(0))], |
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198 [AC_DEFINE([HAVE_SSE4], [1], |
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199 [Define to 1 if you can assemble SSE4 insns.])]) |
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200 esac |
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201 |
| 111 | 202 # Enable --enable-host-shared. |
| 203 AC_ARG_ENABLE(host-shared, | |
| 204 [AS_HELP_STRING([--enable-host-shared], | |
| 205 [build host code as shared libraries])], | |
| 206 [PICFLAG=-fPIC], [PICFLAG=]) | |
| 207 AC_SUBST(PICFLAG) | |
| 208 | |
| 209 AC_ARG_ENABLE(valgrind-annotations, | |
| 210 [AS_HELP_STRING([--enable-valgrind-annotations], | |
| 211 [enable valgrind runtime interaction])], [], | |
| 212 [enable_valgrind_annotations=no]) | |
| 213 if test x$enable_valgrind_annotations != xno \ | |
| 214 || test x$ac_valgrind_checking != x; then | |
| 215 if (test $have_valgrind_h = no \ | |
| 216 && test $gcc_cv_header_memcheck_h = no \ | |
| 217 && test $gcc_cv_header_valgrind_memcheck_h = no); then | |
| 218 AC_MSG_ERROR([*** Can't find valgrind/memcheck.h, memcheck.h or valgrind.h]) | |
| 219 fi | |
| 220 AC_DEFINE(ENABLE_VALGRIND_ANNOTATIONS, 1, | |
| 221 [Define to get calls to the valgrind runtime enabled.]) | |
| 222 fi | |
| 223 | |
| 0 | 224 # Output. |
| 225 | |
| 226 AC_CONFIG_HEADERS(config.h:config.in, [echo timestamp > stamp-h1]) | |
| 227 AC_CONFIG_FILES(Makefile) | |
| 228 AC_OUTPUT |