acglib.m4 revision 90f6cc9bf2453e5da385b2d547704091dd8afbb8 
1dnl GLIB_IF_VAR_EQ (ENV_VAR, VALUE [, EQUALS_ACTION] [, ELSE_ACTION])
2AC_DEFUN(GLIB_IF_VAR_EQ,[
3        case "$[$1]" in
4        "[$2]"[)]
5                [$3]
6                ;;
7        *[)]
8                [$4]
9                ;;
10        esac
11])
12dnl GLIB_STR_CONTAINS (SRC_STRING, SUB_STRING [, CONTAINS_ACTION] [, ELSE_ACTION])
13AC_DEFUN(GLIB_STR_CONTAINS,[
14        case "[$1]" in
15        *"[$2]"*[)]
16                [$3]
17                ;;
18        *[)]
19                [$4]
20                ;;
21        esac
22])
23dnl GLIB_ADD_TO_VAR (ENV_VARIABLE, CHECK_STRING, ADD_STRING)
24AC_DEFUN(GLIB_ADD_TO_VAR,[
25        GLIB_STR_CONTAINS($[$1], [$2], [$1]="$[$1]", [$1]="$[$1] [$3]")
26])
27
28dnl GLIB_SIZEOF (INCLUDES, TYPE, ALIAS [, CROSS-SIZE])
29AC_DEFUN(GLIB_SIZEOF,
30[changequote(<<, >>)dnl
31dnl The name to #define.
32define(<<AC_TYPE_NAME>>, translit(glib_sizeof_$3, [a-z *], [A-Z_P]))dnl
33dnl The cache variable name.
34define(<<AC_CV_NAME>>, translit(glib_cv_sizeof_$3, [ *], [_p]))dnl
35changequote([, ])dnl
36AC_MSG_CHECKING(size of $2)
37AC_CACHE_VAL(AC_CV_NAME,
38[AC_TRY_RUN([#include <stdio.h>
39$1
40main()
41{
42  FILE *f=fopen("conftestval", "w");
43  if (!f) exit(1);
44  fprintf(f, "%d\n", sizeof($2));
45  exit(0);
46}], AC_CV_NAME=`cat conftestval`, AC_CV_NAME=0, ifelse([$4], , , AC_CV_NAME=$4))])dnl
47AC_MSG_RESULT($AC_CV_NAME)
48AC_DEFINE_UNQUOTED(AC_TYPE_NAME, $AC_CV_NAME)
49undefine([AC_TYPE_NAME])dnl
50undefine([AC_CV_NAME])dnl
51])
52
53dnl GLIB_BYTE_CONTENTS (INCLUDES, TYPE, ALIAS, N_BYTES, INITIALIZER)
54AC_DEFUN(GLIB_BYTE_CONTENTS,
55[changequote(<<, >>)dnl
56dnl The name to #define.
57define(<<AC_TYPE_NAME>>, translit(glib_byte_contents_$3, [a-z *], [A-Z_P]))dnl
58dnl The cache variable name.
59define(<<AC_CV_NAME>>, translit(glib_cv_byte_contents_$3, [ *], [_p]))dnl
60changequote([, ])dnl
61AC_MSG_CHECKING(byte contents of $5)
62AC_CACHE_VAL(AC_CV_NAME,
63[AC_TRY_RUN([#include <stdio.h>
64$1
65main()
66{
67  static $2 tv = $5;
68  char *p = (char*) &tv;
69  int i;
70  FILE *f=fopen("conftestval", "w");
71  if (!f) exit(1);
72  for (i = 0; i < $4; i++)
73    fprintf(f, "%s%d", i?",":"", *(p++));
74  fprintf(f, "\n");
75  exit(0);
76}], AC_CV_NAME=`cat conftestval`, AC_CV_NAME=no, AC_CV_NAME=no)])dnl
77AC_MSG_RESULT($AC_CV_NAME)
78AC_DEFINE_UNQUOTED(AC_TYPE_NAME, $AC_CV_NAME)
79undefine([AC_TYPE_NAME])dnl
80undefine([AC_CV_NAME])dnl
81])
82
83dnl GLIB_SYSDEFS (INCLUDES, DEFS_LIST, OFILE [, PREFIX])
84AC_DEFUN(GLIB_SYSDEFS,
85[glib_sysdefso="translit($3, [-_a-zA-Z0-9 *], [-_a-zA-Z0-9])"
86glib_sysdef_msg=`echo $2 | sed 's/:[[^ 	]]*//g'`
87if test "x`(echo '\n') 2>/dev/null`" != 'x\n'; then
88  glib_nl='\\n'
89else
90  glib_nl='\n'
91fi
92AC_MSG_CHECKING(system definitions for $glib_sysdef_msg)
93cat >confrun.c <<_______EOF
94#include <stdio.h>
95$1
96int main (int c, char **v) {
97  FILE *f = fopen ("$glib_sysdefso", "a");
98  if (!f) return 1;
99_______EOF
100for glib_sysdef_input in $2 ; do
101	glib_sysdef=`echo $glib_sysdef_input | sed 's/^\([[^:]]*\):.*$/\1/'`
102	glib_default=`echo $glib_sysdef_input | sed 's/^[[^:]]*:\(.*\)$/\1/'`
103	echo "#ifdef $glib_sysdef" >>confrun.c
104	echo "  fprintf (f, \"#define GLIB_SYSDEF_%s %s%d${glib_nl}\", \"$glib_sysdef\", \"$4\", $glib_sysdef);" >>confrun.c
105	echo "#else" >>confrun.c
106	if test $glib_sysdef != $glib_default; then
107		echo "  fprintf (f, \"#define GLIB_SYSDEF_%s %s%d${glib_nl}\", \"$glib_sysdef\", \"$4\", $glib_default);" >>confrun.c
108	else
109		echo "  fprintf (f, \"#define GLIB_SYSDEF_%s${glib_nl}\", \"$glib_sysdef\");" >>confrun.c
110	fi
111	echo "#endif" >>confrun.c
112done
113echo "return 0; }" >>confrun.c
114AC_TRY_RUN(`cat confrun.c`, AC_MSG_RESULT(done),
115[	for glib_sysdef_input in $2 ; do
116		glib_sysdef=`echo $glib_sysdef_input | sed 's/^\([[^:]]*\):.*$/\1/'`
117		glib_default=`echo $glib_sysdef_input | sed 's/^[[^:]]*:\(.*\)$/\1/'`
118		if test $glib_sysdef != $glib_default; then
119			glib_default=" $4$glib_default"
120		else
121			glib_default=
122		fi
123		echo "#define GLIB_SYSDEF_$glib_sysdef$glib_default" >>$glib_sysdefso
124	done
125	AC_MSG_RESULT(failed)])
126rm -f confrun.c
127])
128