diff options
Diffstat (limited to 'libcpp/configure.ac')
-rw-r--r-- | libcpp/configure.ac | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/libcpp/configure.ac b/libcpp/configure.ac new file mode 100644 index 00000000000..79c0e417337 --- /dev/null +++ b/libcpp/configure.ac @@ -0,0 +1,96 @@ +# -*- Autoconf -*- +# Process this file with autoconf to produce a configure script. + +AC_PREREQ(2.57) +AC_INIT(cpplib, [ ], gcc-bugs@gcc.gnu.org, cpplib) +AC_CONFIG_SRCDIR(ucnid.h) +AC_CANONICAL_SYSTEM +AM_INIT_AUTOMAKE(foreign) +AM_MAINTAINER_MODE + +# Checks for programs. +AC_PROG_CC +AC_PROG_RANLIB + +# Checks for header files. +AC_HEADER_TIME +ACX_HEADER_STRING +ACX_HEADER_STDBOOL +AC_CHECK_HEADERS(iconv.h 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_CONST +AC_C_INLINE +AC_FUNC_OBSTACK +AC_TYPE_OFF_T +AC_TYPE_SIZE_T +AC_STRUCT_TM +AC_CHECK_SIZEOF(int) +AC_CHECK_SIZEOF(long) +AC_CHECK_FUNCS(putc_unlocked fputc_unlocked fputs_unlocked \ + fwrite_unlocked fprintf_unlocked) +AC_CHECK_DECLS([abort, errno, putc_unlocked, fputc_unlocked, + fputs_unlocked, fwrite_unlocked, fprintf_unlocked]) + +# 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 "ansidecl.h" +#include "system.h" +], +[if ((uchar *)0) return 0; + if (sizeof(uchar)) return 0;], +ac_cv_type_uchar=yes, ac_cv_type_uchar=no)]) +if test $ac_cv_type_uchar = yes; then + AC_DEFINE(HAVE_UCHAR, 1, + [Define if <sys/types.h> defines \`uchar'.]) +fi + +AM_ICONV +AM_CONDITIONAL(ENABLE_NLS, [test "x$enable_nls" != xno]) +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 + +case $target in + alpha*-*-* | \ + x86_64-*-* | \ + ia64-*-* | \ + hppa*64*-*-* | parisc*64*-*-* | \ + mips*-*-* | \ + mmix-*-* | \ + powerpc*-*-* | \ + rs6000*-*-* | \ + s390*-*-* | \ + sparc64*-*-* | ultrasparc-*-freebsd* | \ + sparcv9-*-solaris2* | \ + sparc-*-solaris2.[789] | sparc-*-solaris2.1[0-9] | \ + sh[123456789l]*-*-*) + need_64bit_hwint=yes ;; + *) + 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 + +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.]) + +AC_CONFIG_HEADERS(config.h:config.in) +AC_CONFIG_FILES(Makefile) +AC_OUTPUT |