PR c++/16115
[official-gcc.git] / libcpp / configure.ac
blobab6954490a57d8dfc0de9ffa929641456387c3a3
1 #                                               -*- Autoconf -*-
2 # Process this file with autoconf to produce a configure script.
4 AC_PREREQ(2.59)
5 AC_INIT(cpplib, [ ], gcc-bugs@gcc.gnu.org, cpplib)
6 AC_CONFIG_SRCDIR(ucnid.h)
7 AC_CANONICAL_SYSTEM
8 AM_INIT_AUTOMAKE(foreign)
9 AM_MAINTAINER_MODE
11 # Checks for programs.
12 AC_PROG_CC
13 AC_PROG_RANLIB
15 # Checks for header files.
16 AC_HEADER_TIME
17 ACX_HEADER_STRING
18 AC_CHECK_HEADERS(iconv.h locale.h fcntl.h limits.h stddef.h \
19         stdlib.h strings.h string.h sys/file.h unistd.h)
21 # Checks for typedefs, structures, and compiler characteristics.
22 AC_C_CONST
23 AC_C_INLINE
24 AC_FUNC_OBSTACK
25 AC_TYPE_OFF_T
26 AC_TYPE_SIZE_T
27 AC_STRUCT_TM
28 AC_CHECK_SIZEOF(int)
29 AC_CHECK_SIZEOF(long)
30 AC_CHECK_FUNCS(putc_unlocked fputc_unlocked fputs_unlocked \
31         fwrite_unlocked fprintf_unlocked)
32 AC_CHECK_DECLS([abort, errno, putc_unlocked, fputc_unlocked,
33         fputs_unlocked, fwrite_unlocked, fprintf_unlocked])
35 # Checks for library functions.
36 AC_FUNC_ALLOCA
37 AC_HEADER_STDC
38 AM_LANGINFO_CODESET
39 ZW_GNU_GETTEXT_SISTER_DIR
41 AC_CACHE_CHECK(for uchar, gcc_cv_type_uchar,
42 [AC_TRY_COMPILE([
43 #include "ansidecl.h"
44 #include "system.h"
46 [if ((uchar *)0) return 0;
47  if (sizeof(uchar)) return 0;],
48 ac_cv_type_uchar=yes, ac_cv_type_uchar=no)])
49 if test $ac_cv_type_uchar = yes; then
50   AC_DEFINE(HAVE_UCHAR, 1,
51   [Define if <sys/types.h> defines \`uchar'.])
54 AM_ICONV
55 AM_CONDITIONAL(ENABLE_NLS, [test "x$enable_nls" != xno])
56 AC_ARG_ENABLE(checking,
57 [  --enable-checking      enable expensive run-time checks],,
58 enable_checking=no)
60 if test $enable_checking != no ; then
61   AC_DEFINE(ENABLE_CHECKING, 1,
62 [Define if you want more run-time sanity checks.])
65 m4_changequote(,)
66 case $target in
67         alpha*-*-* | \
68         x86_64-*-* | \
69         ia64-*-* | \
70         hppa*64*-*-* | parisc*64*-*-* | \
71         mips*-*-* | \
72         mmix-*-* | \
73         powerpc*-*-* | \
74         rs6000*-*-* | \
75         s390*-*-* | \
76         sparc64*-*-* | ultrasparc-*-freebsd* | \
77         sparcv9-*-solaris2* | \
78         sparc-*-solaris2.[789] | sparc-*-solaris2.1[0-9] | \
79         sh[123456789l]*-*-*)
80                 need_64bit_hwint=yes ;;
81         *)
82                 need_64bit_hwint=no ;;
83 esac
85 case $need_64bit_hwint:$ac_cv_sizeof_long in
86         *:8 | no:*) host_wide_int=long ;;
87         *) host_wide_int='long long' ;;
88 esac
89 m4_changequote([,])
91 AC_DEFINE_UNQUOTED(HOST_WIDE_INT, $host_wide_int,
92 [Define to the widest efficient host integer type at least
93    as wide as the target's size_t type.])
95 AC_CONFIG_HEADERS(config.h:config.in)
96 AC_CONFIG_FILES(Makefile)
97 AC_OUTPUT