1## Portability defines that help interoperate with classic and modern autoconfs
2ifdef([AC_TR_SH],[
3define([GLIB_TR_SH],[AC_TR_SH([$1])])
4define([GLIB_TR_CPP],[AC_TR_CPP([$1])])
5], [
6define([GLIB_TR_SH],
7       [patsubst(translit([[$1]], [*+], [pp]), [[^a-zA-Z0-9_]], [_])])
8define([GLIB_TR_CPP],
9       [patsubst(translit([[$1]],
10  	                  [*abcdefghijklmnopqrstuvwxyz],
11 			  [PABCDEFGHIJKLMNOPQRSTUVWXYZ]),
12		 [[^A-Z0-9_]], [_])])
13])
14
15# GLIB_AC_DIVERT_BEFORE_HELP(STUFF)
16# ---------------------------------
17# Put STUFF early enough so that they are available for $ac_help expansion.
18# Handle both classic (<= v2.13) and modern autoconf
19AC_DEFUN([GLIB_AC_DIVERT_BEFORE_HELP],
20[ifdef([m4_divert_text], [m4_divert_text([NOTICE],[$1])],
21       [ifdef([AC_DIVERT], [AC_DIVERT([NOTICE],[$1])],
22              [AC_DIVERT_PUSH(AC_DIVERSION_NOTICE)dnl
23$1
24AC_DIVERT_POP()])])])
25
26dnl GLIB_IF_VAR_EQ (ENV_VAR, VALUE [, EQUALS_ACTION] [, ELSE_ACTION])
27AC_DEFUN([GLIB_IF_VAR_EQ],[
28        case "$[$1]" in
29        "[$2]"[)]
30                [$3]
31                ;;
32        *[)]
33                [$4]
34                ;;
35        esac
36])
37dnl GLIB_STR_CONTAINS (SRC_STRING, SUB_STRING [, CONTAINS_ACTION] [, ELSE_ACTION])
38AC_DEFUN([GLIB_STR_CONTAINS],[
39        case "[$1]" in
40        *"[$2]"*[)]
41                [$3]
42                ;;
43        *[)]
44                [$4]
45                ;;
46        esac
47])
48dnl GLIB_ADD_TO_VAR (ENV_VARIABLE, CHECK_STRING, ADD_STRING)
49AC_DEFUN([GLIB_ADD_TO_VAR],[
50        GLIB_STR_CONTAINS($[$1], [$2], [$1]="$[$1]", [$1]="$[$1] [$3]")
51])
52
53# GLIB_SIZEOF (INCLUDES, TYPE, ALIAS)
54# ---------------------------------------------------------------
55# The definition here is based of that of AC_CHECK_SIZEOF
56AC_DEFUN([GLIB_SIZEOF],
57[AS_LITERAL_IF([$3], [],
58               [AC_FATAL([$0: requires literal arguments])])dnl
59AC_CACHE_CHECK([size of $2], AS_TR_SH([glib_cv_sizeof_$3]),
60[ # The cast to unsigned long works around a bug in the HP C Compiler
61  # version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
62  # declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
63  # This bug is HP SR number 8606223364.
64  _AC_COMPUTE_INT([(long) (sizeof ($2))],
65                  [AS_TR_SH([glib_cv_sizeof_$3])],
66                  [AC_INCLUDES_DEFAULT([$1])],
67                  [AC_MSG_ERROR([cannot compute sizeof ($2), 77])])
68])dnl
69AC_DEFINE_UNQUOTED(GLIB_TR_CPP(glib_sizeof_$3), $AS_TR_SH([glib_cv_sizeof_$3]),
70                   [The size of $3, as computed by sizeof.])
71])# GLIB_SIZEOF
72
73dnl GLIB_BYTE_CONTENTS (INCLUDES, TYPE, ALIAS, N_BYTES, INITIALIZER)
74AC_DEFUN([GLIB_BYTE_CONTENTS],
75[pushdef([glib_ByteContents], GLIB_TR_SH([glib_cv_byte_contents_$3]))dnl
76AC_CACHE_CHECK([byte contents of $5], glib_ByteContents,
77[AC_TRY_RUN([#include <stdio.h>
78$1
79main()
80{
81  static $2 tv = $5;
82  char *p = (char*) &tv;
83  int i;
84  FILE *f=fopen("conftestval", "w");
85  if (!f) exit(1);
86  for (i = 0; i < $4; i++)
87    fprintf(f, "%s%d", i?",":"", *(p++));
88  fprintf(f, "\n");
89  exit(0);
90}], 
91   [glib_ByteContents=`cat conftestval`  dnl''
92], 
93   [glib_ByteContents=no],
94   [glib_ByteContents=no])])
95AC_DEFINE_UNQUOTED(GLIB_TR_CPP(glib_byte_contents_$3), [$[]glib_ByteContents],
96	[Byte contents of $3])
97popdef([glib_ByteContents])dnl
98])
99
100# GLIB_CHECK_VALUE(SYMBOL, INCLUDES, ACTION-IF-FAIL)
101# ---------------------------------------------------------------
102AC_DEFUN([GLIB_CHECK_VALUE],
103[AC_CACHE_CHECK([value of $1], AS_TR_SH([glib_cv_value_$1]),
104  [_AC_COMPUTE_INT([$1], AS_TR_SH([glib_cv_value_$1]), [$2], [$3])])
105])dnl
106
107# GLIB_CHECK_COMPILE_WARNINGS(PROGRAM, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
108# ---------------------------------------------------------------------
109# Try to compile PROGRAM, check for warnings
110m4_define([GLIB_CHECK_COMPILE_WARNINGS],
111[m4_ifvaln([$1], [AC_LANG_CONFTEST([$1])])dnl
112rm -f conftest.$ac_objext
113glib_ac_compile_save="$ac_compile"
114ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext'
115AS_IF([_AC_EVAL_STDERR($ac_compile) &&
116         AC_TRY_COMMAND([(if test -s conftest.err; then false ; else true; fi)])],
117      [$2],
118      [echo "$as_me: failed program was:" >&AS_MESSAGE_LOG_FD
119cat conftest.$ac_ext >&AS_MESSAGE_LOG_FD
120m4_ifvaln([$3],[$3])dnl])dnl
121ac_compile="$glib_ac_compile_save"
122rm -f conftest.$ac_objext conftest.err m4_ifval([$1], [conftest.$ac_ext])[]dnl
123])# GLIB_CHECK_COMPILE_WARNINGS
124
125# GLIB_ASSERT_SET(VARIABLE)
126# -------------------------
127AC_DEFUN([GLIB_ASSERT_SET],
128[if test "x${$1+set}" != "xset" ; then
129  AC_MSG_ERROR($1 [must be set in cache file when cross-compiling.])
130fi
131])dnl
132