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Commit bd891ede bd891edeb5158fb1d206426974cc23d4b939aabc by Sergey Poznyakoff
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1 # glibc21.m4 serial 3
2 dnl Copyright (C) 2000-2002, 2004 Free Software Foundation, Inc.
3 dnl This file is free software; the Free Software Foundation
4 dnl gives unlimited permission to copy and/or distribute it,
5 dnl with or without modifications, as long as this notice is preserved.
6
7 # Test for the GNU C Library, version 2.1 or newer.
8 # From Bruno Haible.
9
10 AC_DEFUN([gl_GLIBC21],
11 [
12 AC_CACHE_CHECK(whether we are using the GNU C Library 2.1 or newer,
13 ac_cv_gnu_library_2_1,
14 [AC_EGREP_CPP([Lucky GNU user],
15 [
16 #include <features.h>
17 #ifdef __GNU_LIBRARY__
18 #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 1) || (__GLIBC__ > 2)
19 Lucky GNU user
20 #endif
21 #endif
22 ],
23 ac_cv_gnu_library_2_1=yes,
24 ac_cv_gnu_library_2_1=no)
25 ]
26 )
27 AC_SUBST(GLIBC21)
28 GLIBC21="$ac_cv_gnu_library_2_1"
29 ]
30 )
1 # inttypes_h.m4 serial 7
2 dnl Copyright (C) 1997-2004, 2006 Free Software Foundation, Inc.
3 dnl This file is free software; the Free Software Foundation
4 dnl gives unlimited permission to copy and/or distribute it,
5 dnl with or without modifications, as long as this notice is preserved.
6
7 dnl From Paul Eggert.
8
9 # Define HAVE_INTTYPES_H_WITH_UINTMAX if <inttypes.h> exists,
10 # doesn't clash with <sys/types.h>, and declares uintmax_t.
11
12 AC_DEFUN([gl_AC_HEADER_INTTYPES_H],
13 [
14 AC_CACHE_CHECK([for inttypes.h], gl_cv_header_inttypes_h,
15 [AC_TRY_COMPILE(
16 [#include <sys/types.h>
17 #include <inttypes.h>],
18 [uintmax_t i = (uintmax_t) -1; return !i;],
19 gl_cv_header_inttypes_h=yes,
20 gl_cv_header_inttypes_h=no)])
21 if test $gl_cv_header_inttypes_h = yes; then
22 AC_DEFINE_UNQUOTED(HAVE_INTTYPES_H_WITH_UINTMAX, 1,
23 [Define if <inttypes.h> exists, doesn't clash with <sys/types.h>,
24 and declares uintmax_t. ])
25 fi
26 ])
1 # lib-ld.m4 serial 3 (gettext-0.13)
2 dnl Copyright (C) 1996-2003 Free Software Foundation, Inc.
3 dnl This file is free software; the Free Software Foundation
4 dnl gives unlimited permission to copy and/or distribute it,
5 dnl with or without modifications, as long as this notice is preserved.
6
7 dnl Subroutines of libtool.m4,
8 dnl with replacements s/AC_/AC_LIB/ and s/lt_cv/acl_cv/ to avoid collision
9 dnl with libtool.m4.
10
11 dnl From libtool-1.4. Sets the variable with_gnu_ld to yes or no.
12 AC_DEFUN([AC_LIB_PROG_LD_GNU],
13 [AC_CACHE_CHECK([if the linker ($LD) is GNU ld], acl_cv_prog_gnu_ld,
14 [# I'd rather use --version here, but apparently some GNU ld's only accept -v.
15 case `$LD -v 2>&1 </dev/null` in
16 *GNU* | *'with BFD'*)
17 acl_cv_prog_gnu_ld=yes ;;
18 *)
19 acl_cv_prog_gnu_ld=no ;;
20 esac])
21 with_gnu_ld=$acl_cv_prog_gnu_ld
22 ])
23
24 dnl From libtool-1.4. Sets the variable LD.
25 AC_DEFUN([AC_LIB_PROG_LD],
26 [AC_ARG_WITH(gnu-ld,
27 [ --with-gnu-ld assume the C compiler uses GNU ld [default=no]],
28 test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no)
29 AC_REQUIRE([AC_PROG_CC])dnl
30 AC_REQUIRE([AC_CANONICAL_HOST])dnl
31 # Prepare PATH_SEPARATOR.
32 # The user is always right.
33 if test "${PATH_SEPARATOR+set}" != set; then
34 echo "#! /bin/sh" >conf$$.sh
35 echo "exit 0" >>conf$$.sh
36 chmod +x conf$$.sh
37 if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then
38 PATH_SEPARATOR=';'
39 else
40 PATH_SEPARATOR=:
41 fi
42 rm -f conf$$.sh
43 fi
44 ac_prog=ld
45 if test "$GCC" = yes; then
46 # Check if gcc -print-prog-name=ld gives a path.
47 AC_MSG_CHECKING([for ld used by GCC])
48 case $host in
49 *-*-mingw*)
50 # gcc leaves a trailing carriage return which upsets mingw
51 ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;;
52 *)
53 ac_prog=`($CC -print-prog-name=ld) 2>&5` ;;
54 esac
55 case $ac_prog in
56 # Accept absolute paths.
57 [[\\/]* | [A-Za-z]:[\\/]*)]
58 [re_direlt='/[^/][^/]*/\.\./']
59 # Canonicalize the path of ld
60 ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'`
61 while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do
62 ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"`
63 done
64 test -z "$LD" && LD="$ac_prog"
65 ;;
66 "")
67 # If it fails, then pretend we aren't using GCC.
68 ac_prog=ld
69 ;;
70 *)
71 # If it is relative, then search for the first ld in PATH.
72 with_gnu_ld=unknown
73 ;;
74 esac
75 elif test "$with_gnu_ld" = yes; then
76 AC_MSG_CHECKING([for GNU ld])
77 else
78 AC_MSG_CHECKING([for non-GNU ld])
79 fi
80 AC_CACHE_VAL(acl_cv_path_LD,
81 [if test -z "$LD"; then
82 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}"
83 for ac_dir in $PATH; do
84 test -z "$ac_dir" && ac_dir=.
85 if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
86 acl_cv_path_LD="$ac_dir/$ac_prog"
87 # Check to see if the program is GNU ld. I'd rather use --version,
88 # but apparently some GNU ld's only accept -v.
89 # Break only if it was the GNU/non-GNU ld that we prefer.
90 case `"$acl_cv_path_LD" -v 2>&1 < /dev/null` in
91 *GNU* | *'with BFD'*)
92 test "$with_gnu_ld" != no && break ;;
93 *)
94 test "$with_gnu_ld" != yes && break ;;
95 esac
96 fi
97 done
98 IFS="$ac_save_ifs"
99 else
100 acl_cv_path_LD="$LD" # Let the user override the test with a path.
101 fi])
102 LD="$acl_cv_path_LD"
103 if test -n "$LD"; then
104 AC_MSG_RESULT($LD)
105 else
106 AC_MSG_RESULT(no)
107 fi
108 test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])
109 AC_LIB_PROG_LD_GNU
110 ])
1 # lib-prefix.m4 serial 3 (gettext-0.13)
2 dnl Copyright (C) 2001-2003 Free Software Foundation, Inc.
3 dnl This file is free software; the Free Software Foundation
4 dnl gives unlimited permission to copy and/or distribute it,
5 dnl with or without modifications, as long as this notice is preserved.
6
7 dnl From Bruno Haible.
8
9 dnl AC_LIB_ARG_WITH is synonymous to AC_ARG_WITH in autoconf-2.13, and
10 dnl similar to AC_ARG_WITH in autoconf 2.52...2.57 except that is doesn't
11 dnl require excessive bracketing.
12 ifdef([AC_HELP_STRING],
13 [AC_DEFUN([AC_LIB_ARG_WITH], [AC_ARG_WITH([$1],[[$2]],[$3],[$4])])],
14 [AC_DEFUN([AC_][LIB_ARG_WITH], [AC_ARG_WITH([$1],[$2],[$3],[$4])])])
15
16 dnl AC_LIB_PREFIX adds to the CPPFLAGS and LDFLAGS the flags that are needed
17 dnl to access previously installed libraries. The basic assumption is that
18 dnl a user will want packages to use other packages he previously installed
19 dnl with the same --prefix option.
20 dnl This macro is not needed if only AC_LIB_LINKFLAGS is used to locate
21 dnl libraries, but is otherwise very convenient.
22 AC_DEFUN([AC_LIB_PREFIX],
23 [
24 AC_BEFORE([$0], [AC_LIB_LINKFLAGS])
25 AC_REQUIRE([AC_PROG_CC])
26 AC_REQUIRE([AC_CANONICAL_HOST])
27 AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
28 dnl By default, look in $includedir and $libdir.
29 use_additional=yes
30 AC_LIB_WITH_FINAL_PREFIX([
31 eval additional_includedir=\"$includedir\"
32 eval additional_libdir=\"$libdir\"
33 ])
34 AC_LIB_ARG_WITH([lib-prefix],
35 [ --with-lib-prefix[=DIR] search for libraries in DIR/include and DIR/lib
36 --without-lib-prefix don't search for libraries in includedir and libdir],
37 [
38 if test "X$withval" = "Xno"; then
39 use_additional=no
40 else
41 if test "X$withval" = "X"; then
42 AC_LIB_WITH_FINAL_PREFIX([
43 eval additional_includedir=\"$includedir\"
44 eval additional_libdir=\"$libdir\"
45 ])
46 else
47 additional_includedir="$withval/include"
48 additional_libdir="$withval/lib"
49 fi
50 fi
51 ])
52 if test $use_additional = yes; then
53 dnl Potentially add $additional_includedir to $CPPFLAGS.
54 dnl But don't add it
55 dnl 1. if it's the standard /usr/include,
56 dnl 2. if it's already present in $CPPFLAGS,
57 dnl 3. if it's /usr/local/include and we are using GCC on Linux,
58 dnl 4. if it doesn't exist as a directory.
59 if test "X$additional_includedir" != "X/usr/include"; then
60 haveit=
61 for x in $CPPFLAGS; do
62 AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
63 if test "X$x" = "X-I$additional_includedir"; then
64 haveit=yes
65 break
66 fi
67 done
68 if test -z "$haveit"; then
69 if test "X$additional_includedir" = "X/usr/local/include"; then
70 if test -n "$GCC"; then
71 case $host_os in
72 linux*) haveit=yes;;
73 esac
74 fi
75 fi
76 if test -z "$haveit"; then
77 if test -d "$additional_includedir"; then
78 dnl Really add $additional_includedir to $CPPFLAGS.
79 CPPFLAGS="${CPPFLAGS}${CPPFLAGS:+ }-I$additional_includedir"
80 fi
81 fi
82 fi
83 fi
84 dnl Potentially add $additional_libdir to $LDFLAGS.
85 dnl But don't add it
86 dnl 1. if it's the standard /usr/lib,
87 dnl 2. if it's already present in $LDFLAGS,
88 dnl 3. if it's /usr/local/lib and we are using GCC on Linux,
89 dnl 4. if it doesn't exist as a directory.
90 if test "X$additional_libdir" != "X/usr/lib"; then
91 haveit=
92 for x in $LDFLAGS; do
93 AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
94 if test "X$x" = "X-L$additional_libdir"; then
95 haveit=yes
96 break
97 fi
98 done
99 if test -z "$haveit"; then
100 if test "X$additional_libdir" = "X/usr/local/lib"; then
101 if test -n "$GCC"; then
102 case $host_os in
103 linux*) haveit=yes;;
104 esac
105 fi
106 fi
107 if test -z "$haveit"; then
108 if test -d "$additional_libdir"; then
109 dnl Really add $additional_libdir to $LDFLAGS.
110 LDFLAGS="${LDFLAGS}${LDFLAGS:+ }-L$additional_libdir"
111 fi
112 fi
113 fi
114 fi
115 fi
116 ])
117
118 dnl AC_LIB_PREPARE_PREFIX creates variables acl_final_prefix,
119 dnl acl_final_exec_prefix, containing the values to which $prefix and
120 dnl $exec_prefix will expand at the end of the configure script.
121 AC_DEFUN([AC_LIB_PREPARE_PREFIX],
122 [
123 dnl Unfortunately, prefix and exec_prefix get only finally determined
124 dnl at the end of configure.
125 if test "X$prefix" = "XNONE"; then
126 acl_final_prefix="$ac_default_prefix"
127 else
128 acl_final_prefix="$prefix"
129 fi
130 if test "X$exec_prefix" = "XNONE"; then
131 acl_final_exec_prefix='${prefix}'
132 else
133 acl_final_exec_prefix="$exec_prefix"
134 fi
135 acl_save_prefix="$prefix"
136 prefix="$acl_final_prefix"
137 eval acl_final_exec_prefix=\"$acl_final_exec_prefix\"
138 prefix="$acl_save_prefix"
139 ])
140
141 dnl AC_LIB_WITH_FINAL_PREFIX([statement]) evaluates statement, with the
142 dnl variables prefix and exec_prefix bound to the values they will have
143 dnl at the end of the configure script.
144 AC_DEFUN([AC_LIB_WITH_FINAL_PREFIX],
145 [
146 acl_save_prefix="$prefix"
147 prefix="$acl_final_prefix"
148 acl_save_exec_prefix="$exec_prefix"
149 exec_prefix="$acl_final_exec_prefix"
150 $1
151 exec_prefix="$acl_save_exec_prefix"
152 prefix="$acl_save_prefix"
153 ])
1 # longlong.m4 serial 7
2 dnl Copyright (C) 1999-2006 Free Software Foundation, Inc.
3 dnl This file is free software; the Free Software Foundation
4 dnl gives unlimited permission to copy and/or distribute it,
5 dnl with or without modifications, as long as this notice is preserved.
6
7 dnl From Paul Eggert.
8
9 # Define HAVE_LONG_LONG_INT if 'long long int' works.
10 # This fixes a bug in Autoconf 2.60, but can be removed once we
11 # assume 2.61 everywhere.
12
13 AC_DEFUN([AC_TYPE_LONG_LONG_INT],
14 [
15 AC_CACHE_CHECK([for long long int], [ac_cv_type_long_long_int],
16 [AC_LINK_IFELSE(
17 [AC_LANG_PROGRAM(
18 [[long long int ll = 9223372036854775807ll;
19 long long int nll = -9223372036854775807LL;
20 typedef int a[((-9223372036854775807LL < 0
21 && 0 < 9223372036854775807ll)
22 ? 1 : -1)];
23 int i = 63;]],
24 [[long long int llmax = 9223372036854775807ll;
25 return ((ll << 63) | (ll >> 63) | (ll < i) | (ll > i)
26 | (llmax / ll) | (llmax % ll));]])],
27 [ac_cv_type_long_long_int=yes],
28 [ac_cv_type_long_long_int=no])])
29 if test $ac_cv_type_long_long_int = yes; then
30 AC_DEFINE([HAVE_LONG_LONG_INT], 1,
31 [Define to 1 if the system has the type `long long int'.])
32 fi
33 ])
34
35 # This macro is obsolescent and should go away soon.
36 AC_DEFUN([gl_AC_TYPE_LONG_LONG],
37 [
38 AC_REQUIRE([AC_TYPE_LONG_LONG_INT])
39 ac_cv_type_long_long=$ac_cv_type_long_long_int
40 if test $ac_cv_type_long_long = yes; then
41 AC_DEFINE(HAVE_LONG_LONG, 1,
42 [Define if you have the 'long long' type.])
43 fi
44 ])
1 # stdint_h.m4 serial 6
2 dnl Copyright (C) 1997-2004, 2006 Free Software Foundation, Inc.
3 dnl This file is free software; the Free Software Foundation
4 dnl gives unlimited permission to copy and/or distribute it,
5 dnl with or without modifications, as long as this notice is preserved.
6
7 dnl From Paul Eggert.
8
9 # Define HAVE_STDINT_H_WITH_UINTMAX if <stdint.h> exists,
10 # doesn't clash with <sys/types.h>, and declares uintmax_t.
11
12 AC_DEFUN([gl_AC_HEADER_STDINT_H],
13 [
14 AC_CACHE_CHECK([for stdint.h], gl_cv_header_stdint_h,
15 [AC_TRY_COMPILE(
16 [#include <sys/types.h>
17 #include <stdint.h>],
18 [uintmax_t i = (uintmax_t) -1; return !i;],
19 gl_cv_header_stdint_h=yes,
20 gl_cv_header_stdint_h=no)])
21 if test $gl_cv_header_stdint_h = yes; then
22 AC_DEFINE_UNQUOTED(HAVE_STDINT_H_WITH_UINTMAX, 1,
23 [Define if <stdint.h> exists, doesn't clash with <sys/types.h>,
24 and declares uintmax_t. ])
25 fi
26 ])
1 # uintmax_t.m4 serial 9
2 dnl Copyright (C) 1997-2004 Free Software Foundation, Inc.
3 dnl This file is free software; the Free Software Foundation
4 dnl gives unlimited permission to copy and/or distribute it,
5 dnl with or without modifications, as long as this notice is preserved.
6
7 dnl From Paul Eggert.
8
9 AC_PREREQ(2.13)
10
11 # Define uintmax_t to 'unsigned long' or 'unsigned long long'
12 # if it is not already defined in <stdint.h> or <inttypes.h>.
13
14 AC_DEFUN([gl_AC_TYPE_UINTMAX_T],
15 [
16 AC_REQUIRE([gl_AC_HEADER_INTTYPES_H])
17 AC_REQUIRE([gl_AC_HEADER_STDINT_H])
18 if test $gl_cv_header_inttypes_h = no && test $gl_cv_header_stdint_h = no; then
19 AC_REQUIRE([gl_AC_TYPE_UNSIGNED_LONG_LONG])
20 test $ac_cv_type_unsigned_long_long = yes \
21 && ac_type='unsigned long long' \
22 || ac_type='unsigned long'
23 AC_DEFINE_UNQUOTED(uintmax_t, $ac_type,
24 [Define to unsigned long or unsigned long long
25 if <stdint.h> and <inttypes.h> don't define.])
26 else
27 AC_DEFINE(HAVE_UINTMAX_T, 1,
28 [Define if you have the 'uintmax_t' type in <stdint.h> or <inttypes.h>.])
29 fi
30 ])
1 # ulonglong.m4 serial 4
2 dnl Copyright (C) 1999-2004 Free Software Foundation, Inc.
3 dnl This file is free software; the Free Software Foundation
4 dnl gives unlimited permission to copy and/or distribute it,
5 dnl with or without modifications, as long as this notice is preserved.
6
7 dnl From Paul Eggert.
8
9 # Define HAVE_UNSIGNED_LONG_LONG if 'unsigned long long' works.
10
11 AC_DEFUN([gl_AC_TYPE_UNSIGNED_LONG_LONG],
12 [
13 AC_CACHE_CHECK([for unsigned long long], ac_cv_type_unsigned_long_long,
14 [AC_TRY_LINK([unsigned long long ull = 1ULL; int i = 63;],
15 [unsigned long long ullmax = (unsigned long long) -1;
16 return ull << i | ull >> i | ullmax / ull | ullmax % ull;],
17 ac_cv_type_unsigned_long_long=yes,
18 ac_cv_type_unsigned_long_long=no)])
19 if test $ac_cv_type_unsigned_long_long = yes; then
20 AC_DEFINE(HAVE_UNSIGNED_LONG_LONG, 1,
21 [Define if you have the 'unsigned long long' type.])
22 fi
23 ])