| # -*- Autoconf -*- |
| # Process this file with autoconf to produce a configure script. |
| |
| AC_PREREQ(2.64) |
| AC_INIT(cpplib, [ ], gcc-bugs@gcc.gnu.org, cpplib) |
| AC_CONFIG_SRCDIR(ucnid.h) |
| AC_CONFIG_MACRO_DIR(../config) |
| AC_CANONICAL_SYSTEM |
| |
| # Checks for programs. |
| AC_PROG_MAKE_SET |
| AC_PROG_INSTALL |
| AC_PROG_CC |
| AC_PROG_CXX |
| AC_PROG_RANLIB |
| |
| AC_USE_SYSTEM_EXTENSIONS |
| AC_SYS_LARGEFILE |
| |
| # See if we are building gcc with C++. |
| # Do this early so setting lang to C++ affects following tests |
| AC_ARG_ENABLE(build-with-cxx, |
| [ --enable-build-with-cxx build with C++ compiler instead of C compiler], |
| ENABLE_BUILD_WITH_CXX=$enableval, |
| ENABLE_BUILD_WITH_CXX=no) |
| AC_SUBST(ENABLE_BUILD_WITH_CXX) |
| |
| MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing |
| AC_CHECK_PROGS([ACLOCAL], [aclocal], [$MISSING aclocal]) |
| AC_CHECK_PROGS([AUTOCONF], [autoconf], [$MISSING autoconf]) |
| AC_CHECK_PROGS([AUTOHEADER], [autoheader], [$MISSING autoheader]) |
| |
| # Figure out what compiler warnings we can enable. |
| # See config/warnings.m4 for details. |
| |
| ACX_PROG_CC_WARNING_OPTS([-W -Wall -Wwrite-strings \ |
| -Wmissing-format-attribute], [warn]) |
| ACX_PROG_CC_WARNING_OPTS([-Wstrict-prototypes -Wmissing-prototypes \ |
| -Wold-style-definition -Wc++-compat], [c_warn]) |
| ACX_PROG_CC_WARNING_ALMOST_PEDANTIC([-Wno-long-long]) |
| |
| # Only enable with --enable-werror-always until existing warnings are |
| # corrected. |
| ACX_PROG_CC_WARNINGS_ARE_ERRORS([manual]) |
| |
| # Dependency checking. |
| ZW_CREATE_DEPDIR |
| if test "$ENABLE_BUILD_WITH_CXX" = "no"; then |
| ZW_PROG_COMPILER_DEPENDENCIES([CC]) |
| else |
| AC_LANG_PUSH([C++]) |
| AC_COMPILE_IFELSE([[int i;]], [], |
| [AC_MSG_ERROR([C++ compiler missing or inoperational])]) |
| AC_LANG_POP([C++]) |
| ZW_PROG_COMPILER_DEPENDENCIES([CXX]) |
| fi |
| |
| # Checks for header files. |
| AC_HEADER_TIME |
| ACX_HEADER_STRING |
| |
| AC_CHECK_HEADERS(locale.h fcntl.h limits.h stddef.h \ |
| stdlib.h strings.h string.h sys/file.h unistd.h) |
| |
| # Checks for typedefs, structures, and compiler characteristics. |
| AC_C_BIGENDIAN |
| AC_C_CONST |
| AC_C_INLINE |
| AC_FUNC_OBSTACK |
| AC_TYPE_OFF_T |
| AC_TYPE_SIZE_T |
| AC_TYPE_SSIZE_T |
| AC_TYPE_UINTPTR_T |
| AC_CHECK_TYPE(ptrdiff_t, int) |
| AC_STRUCT_TM |
| AC_CHECK_SIZEOF(int) |
| AC_CHECK_SIZEOF(long) |
| define(libcpp_UNLOCKED_FUNCS, clearerr_unlocked feof_unlocked dnl |
| ferror_unlocked fflush_unlocked fgetc_unlocked fgets_unlocked dnl |
| fileno_unlocked fprintf_unlocked fputc_unlocked fputs_unlocked dnl |
| fread_unlocked fwrite_unlocked getchar_unlocked getc_unlocked dnl |
| putchar_unlocked putc_unlocked) |
| AC_CHECK_FUNCS(libcpp_UNLOCKED_FUNCS) |
| AC_CHECK_DECLS([abort, asprintf, basename(char *), errno, getopt, vasprintf]) |
| AC_CHECK_DECLS(m4_split(m4_normalize(libcpp_UNLOCKED_FUNCS))) |
| |
| # Checks for library functions. |
| AC_FUNC_ALLOCA |
| AC_HEADER_STDC |
| AM_LANGINFO_CODESET |
| ZW_GNU_GETTEXT_SISTER_DIR |
| |
| AC_CACHE_CHECK(for uchar, gcc_cv_type_uchar, |
| [AC_TRY_COMPILE([ |
| #include <sys/types.h> |
| ], |
| [if ((uchar *)0) return 0; |
| if (sizeof(uchar)) return 0;], |
| ac_cv_type_uchar=yes, ac_cv_type_uchar=no)]) |
| if test $ac_cv_type_uchar = yes; then |
| AC_DEFINE(HAVE_UCHAR, 1, |
| [Define if <sys/types.h> defines \`uchar'.]) |
| fi |
| |
| AM_ICONV |
| |
| # More defines and substitutions. |
| PACKAGE="$PACKAGE_TARNAME" |
| AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Define to the name of this package.]) |
| AC_SUBST(PACKAGE) |
| |
| if test "x$enable_nls" != xno; then |
| USED_CATALOGS='$(CATALOGS)' |
| else |
| USED_CATALOGS= |
| fi |
| AC_SUBST(USED_CATALOGS) |
| |
| AC_ARG_ENABLE(maintainer-mode, |
| [ --enable-maintainer-mode enable rules only needed by maintainers],, |
| enable_maintainer_mode=no) |
| |
| if test "x$enable_maintainer_mode" = xno; then |
| MAINT='#' |
| else |
| MAINT= |
| fi |
| AC_SUBST(MAINT) |
| |
| AC_ARG_ENABLE(checking, |
| [ --enable-checking enable expensive run-time checks],, |
| enable_checking=no) |
| |
| if test $enable_checking != no ; then |
| AC_DEFINE(ENABLE_CHECKING, 1, |
| [Define if you want more run-time sanity checks.]) |
| fi |
| |
| m4_changequote(,) |
| case $target in |
| alpha*-*-* | \ |
| arm*-*-*eabi* | \ |
| arm*-*-symbianelf* | \ |
| x86_64-*-* | \ |
| ia64-*-* | \ |
| hppa*64*-*-* | \ |
| i[34567]86-*-darwin* | \ |
| i[34567]86-*-solaris2.1[0-9]* | \ |
| i[34567]86-w64-mingw* | \ |
| mips*-*-* | \ |
| mmix-*-* | \ |
| powerpc*-*-* | \ |
| rs6000*-*-* | \ |
| s390*-*-* | \ |
| sparc*-*-* | \ |
| spu-*-* | \ |
| sh[123456789lbe]*-*-* | sh-*-*) |
| need_64bit_hwint=yes ;; |
| i[34567]86-*-linux*) |
| if test "x$enable_targets" = xall; then |
| need_64bit_hwint=yes |
| else |
| need_64bit_hwint=no |
| fi |
| ;; |
| *) |
| need_64bit_hwint=no ;; |
| esac |
| |
| case $need_64bit_hwint:$ac_cv_sizeof_long in |
| *:8 | no:*) host_wide_int=long ;; |
| *) host_wide_int='long long' ;; |
| esac |
| m4_changequote([,]) |
| |
| AC_DEFINE_UNQUOTED(HOST_WIDE_INT, $host_wide_int, |
| [Define to the widest efficient host integer type at least |
| as wide as the target's size_t type.]) |
| |
| case $target in |
| i?86-* | x86_64-*) |
| AC_TRY_COMPILE([], [asm ("pcmpestri %0, %%xmm0, %%xmm1" : : "i"(0))], |
| [AC_DEFINE([HAVE_SSE4], [1], |
| [Define to 1 if you can assemble SSE4 insns.])]) |
| esac |
| |
| # Output. |
| |
| AC_CONFIG_HEADERS(config.h:config.in, [echo timestamp > stamp-h1]) |
| AC_CONFIG_FILES(Makefile) |
| AC_OUTPUT |