forked from GNOME/glib
-
Notifications
You must be signed in to change notification settings - Fork 3
/
acglib.m4
131 lines (124 loc) · 4.44 KB
/
acglib.m4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
## Portability defines that help interoperate with classic and modern autoconfs
ifdef([AC_TR_SH],[
define([GLIB_TR_SH],[AC_TR_SH([$1])])
define([GLIB_TR_CPP],[AC_TR_CPP([$1])])
], [
define([GLIB_TR_SH],
[patsubst(translit([[$1]], [*+], [pp]), [[^a-zA-Z0-9_]], [_])])
define([GLIB_TR_CPP],
[patsubst(translit([[$1]],
[*abcdefghijklmnopqrstuvwxyz],
[PABCDEFGHIJKLMNOPQRSTUVWXYZ]),
[[^A-Z0-9_]], [_])])
])
# GLIB_AC_DIVERT_BEFORE_HELP(STUFF)
# ---------------------------------
# Put STUFF early enough so that they are available for $ac_help expansion.
# Handle both classic (<= v2.13) and modern autoconf
AC_DEFUN([GLIB_AC_DIVERT_BEFORE_HELP],
[ifdef([m4_divert_text], [m4_divert_text([NOTICE],[$1])],
[ifdef([AC_DIVERT], [AC_DIVERT([NOTICE],[$1])],
[AC_DIVERT_PUSH(AC_DIVERSION_NOTICE)dnl
$1
AC_DIVERT_POP()])])])
dnl GLIB_IF_VAR_EQ (ENV_VAR, VALUE [, EQUALS_ACTION] [, ELSE_ACTION])
AC_DEFUN([GLIB_IF_VAR_EQ],[
case "$[$1]" in
"[$2]"[)]
[$3]
;;
*[)]
[$4]
;;
esac
])
dnl GLIB_STR_CONTAINS (SRC_STRING, SUB_STRING [, CONTAINS_ACTION] [, ELSE_ACTION])
AC_DEFUN([GLIB_STR_CONTAINS],[
case "[$1]" in
*"[$2]"*[)]
[$3]
;;
*[)]
[$4]
;;
esac
])
dnl GLIB_ADD_TO_VAR (ENV_VARIABLE, CHECK_STRING, ADD_STRING)
AC_DEFUN([GLIB_ADD_TO_VAR],[
GLIB_STR_CONTAINS($[$1], [$2], [$1]="$[$1]", [$1]="$[$1] [$3]")
])
# GLIB_SIZEOF (INCLUDES, TYPE, ALIAS)
# ---------------------------------------------------------------
# The definition here is based of that of AC_CHECK_SIZEOF
AC_DEFUN([GLIB_SIZEOF],
[AS_LITERAL_IF([$3], [],
[AC_FATAL([$0: requires literal arguments])])dnl
AC_CACHE_CHECK([size of $2], AS_TR_SH([glib_cv_sizeof_$3]),
[ # The cast to unsigned long works around a bug in the HP C Compiler
# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
# This bug is HP SR number 8606223364.
_AC_COMPUTE_INT([(long) (sizeof ($2))],
[AS_TR_SH([glib_cv_sizeof_$3])],
[AC_INCLUDES_DEFAULT([$1])],
[AC_MSG_ERROR([cannot compute sizeof ($2), 77])])
])dnl
AC_DEFINE_UNQUOTED(GLIB_TR_CPP(glib_sizeof_$3), $AS_TR_SH([glib_cv_sizeof_$3]),
[The size of $3, as computed by sizeof.])
])# GLIB_SIZEOF
dnl GLIB_BYTE_CONTENTS (INCLUDES, TYPE, ALIAS, N_BYTES, INITIALIZER)
AC_DEFUN([GLIB_BYTE_CONTENTS],
[pushdef([glib_ByteContents], GLIB_TR_SH([glib_cv_byte_contents_$3]))dnl
AC_CACHE_CHECK([byte contents of $5], glib_ByteContents,
[AC_TRY_RUN([#include <stdio.h>
$1
main()
{
static $2 tv = $5;
char *p = (char*) &tv;
int i;
FILE *f=fopen("conftestval", "w");
if (!f) exit(1);
for (i = 0; i < $4; i++)
fprintf(f, "%s%d", i?",":"", *(p++));
fprintf(f, "\n");
exit(0);
}],
[glib_ByteContents=`cat conftestval` dnl''
],
[glib_ByteContents=no],
[glib_ByteContents=no])])
AC_DEFINE_UNQUOTED(GLIB_TR_CPP(glib_byte_contents_$3), [$[]glib_ByteContents],
[Byte contents of $3])
popdef([glib_ByteContents])dnl
])
# GLIB_CHECK_VALUE(SYMBOL, INCLUDES, ACTION-IF-FAIL)
# ---------------------------------------------------------------
AC_DEFUN([GLIB_CHECK_VALUE],
[AC_CACHE_CHECK([value of $1], AS_TR_SH([glib_cv_value_$1]),
[_AC_COMPUTE_INT([$1], AS_TR_SH([glib_cv_value_$1]), [$2], [$3])])
])dnl
# GLIB_CHECK_COMPILE_WARNINGS(PROGRAM, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
# ---------------------------------------------------------------------
# Try to compile PROGRAM, check for warnings
m4_define([GLIB_CHECK_COMPILE_WARNINGS],
[m4_ifvaln([$1], [AC_LANG_CONFTEST([$1])])dnl
rm -f conftest.$ac_objext
glib_ac_compile_save="$ac_compile"
ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext'
AS_IF([_AC_EVAL_STDERR($ac_compile) &&
AC_TRY_COMMAND([(if test -s conftest.err; then false ; else true; fi)])],
[$2],
[echo "$as_me: failed program was:" >&AS_MESSAGE_LOG_FD
cat conftest.$ac_ext >&AS_MESSAGE_LOG_FD
m4_ifvaln([$3],[$3])dnl])
ac_compile="$glib_ac_compile_save"
rm -f conftest.$ac_objext conftest.err m4_ifval([$1], [conftest.$ac_ext])[]dnl
])# GLIB_CHECK_COMPILE_WARNINGS
# GLIB_ASSERT_SET(VARIABLE)
# -------------------------
AC_DEFUN([GLIB_ASSERT_SET],
[if test "x${$1+set}" != "xset" ; then
AC_MSG_ERROR($1 [must be set in cache file when cross-compiling.])
fi
])dnl