acglib.m4

   1 dnl GLIB_IF_VAR_EQ (ENV_VAR, VALUE [, EQUALS_ACTION] [, ELSE_ACTION])
   2 AC_DEFUN(GLIB_IF_VAR_EQ,[
   3         case "$[$1]" in
   4         "[$2]"[)]
   5                 [$3]
   6                 ;;
   7         *[)]
   8                 [$4]
   9                 ;;
  10         esac
  11 ])
  12 dnl GLIB_STR_CONTAINS (SRC_STRING, SUB_STRING [, CONTAINS_ACTION] [, ELSE_ACTION])
  13 AC_DEFUN(GLIB_STR_CONTAINS,[
  14         case "[$1]" in
  15         *"[$2]"*[)]
  16                 [$3]
  17                 ;;
  18         *[)]
  19                 [$4]
  20                 ;;
  21         esac
  22 ])
  23 dnl GLIB_ADD_TO_VAR (ENV_VARIABLE, CHECK_STRING, ADD_STRING)
  24 AC_DEFUN(GLIB_ADD_TO_VAR,[
  25         GLIB_STR_CONTAINS($[$1], [$2], [$1]="$[$1]", [$1]="$[$1] [$3]")
  26 ])
  27
  28 dnl GLIB_SIZEOF (INCLUDES, TYPE, ALIAS [, CROSS-SIZE])
  29 AC_DEFUN(GLIB_SIZEOF,
  30 [changequote(<<, >>)dnl
  31 dnl The name to #define.
  32 define(<<AC_TYPE_NAME>>, translit(glib_sizeof_$3, [a-z *], [A-Z_P]))dnl
  33 dnl The cache variable name.
  34 define(<<AC_CV_NAME>>, translit(glib_cv_sizeof_$3, [ *], [_p]))dnl
  35 changequote([, ])dnl
  36 AC_MSG_CHECKING(size of $2)
  37 AC_CACHE_VAL(AC_CV_NAME,
  38 [AC_TRY_RUN([#include <stdio.h>
  39 #if STDC_HEADERS
  40 #include <stdlib.h>
  41 #include <stddef.h>
  42 #endif
  43 $1
  44 main()
  45 {
  46   FILE *f=fopen("conftestval", "w");
  47   if (!f) exit(1);
  48   fprintf(f, "%d\n", sizeof($2));
  49   exit(0);
  50 }], AC_CV_NAME=`cat conftestval`, AC_CV_NAME=0, ifelse([$4], , , AC_CV_NAME=$4))])dnl
  51 AC_MSG_RESULT($AC_CV_NAME)
  52 AC_DEFINE_UNQUOTED(AC_TYPE_NAME, $AC_CV_NAME)
  53 undefine([AC_TYPE_NAME])dnl
  54 undefine([AC_CV_NAME])dnl
  55 ])
  56
  57 dnl GLIB_BYTE_CONTENTS (INCLUDES, TYPE, ALIAS, N_BYTES, INITIALIZER)
  58 AC_DEFUN(GLIB_BYTE_CONTENTS,
  59 [changequote(<<, >>)dnl
  60 dnl The name to #define.
  61 define(<<AC_TYPE_NAME>>, translit(glib_byte_contents_$3, [a-z *], [A-Z_P]))dnl
  62 dnl The cache variable name.
  63 define(<<AC_CV_NAME>>, translit(glib_cv_byte_contents_$3, [ *], [_p]))dnl
  64 changequote([, ])dnl
  65 AC_MSG_CHECKING(byte contents of $5)
  66 AC_CACHE_VAL(AC_CV_NAME,
  67 [AC_TRY_RUN([#include <stdio.h>
  68 $1
  69 main()
  70 {
  71   static $2 tv = $5;
  72   char *p = (char*) &tv;
  73   int i;
  74   FILE *f=fopen("conftestval", "w");
  75   if (!f) exit(1);
  76   for (i = 0; i < $4; i++)
  77     fprintf(f, "%s%d", i?",":"", *(p++));
  78   fprintf(f, "\n");
  79   exit(0);
  80 }], AC_CV_NAME=`cat conftestval`, AC_CV_NAME=no, AC_CV_NAME=no)])dnl
  81 AC_MSG_RESULT($AC_CV_NAME)
  82 AC_DEFINE_UNQUOTED(AC_TYPE_NAME, $AC_CV_NAME)
  83 undefine([AC_TYPE_NAME])dnl
  84 undefine([AC_CV_NAME])dnl
  85 ])
  86
  87 dnl GLIB_SYSDEFS (INCLUDES, DEFS_LIST, OFILE [, PREFIX])
  88 AC_DEFUN(GLIB_SYSDEFS,
  89 [glib_sysdefso="translit($3, [-_a-zA-Z0-9 *], [-_a-zA-Z0-9])"
  90 glib_sysdef_msg=`echo $2 | sed 's/:[[^  ]]*//g'`
  91 if test "x`(echo '\n') 2>/dev/null`" != 'x\n'; then
  92   glib_nl='\\n'
  93 else
  94   glib_nl='\n'
  95 fi
  96 AC_MSG_CHECKING(system definitions for $glib_sysdef_msg)
  97 cat >confrun.c <<_______EOF
  98 #include <stdio.h>
  99 $1
 100 int main (int c, char **v) {
 101   FILE *f = fopen ("$glib_sysdefso", "a");
 102   if (!f) return 1;
 103 _______EOF
 104 for glib_sysdef_input in $2 ; do
 105         glib_sysdef=`echo $glib_sysdef_input | sed 's/^\([[^:]]*\):.*$/\1/'`
 106         glib_default=`echo $glib_sysdef_input | sed 's/^[[^:]]*:\(.*\)$/\1/'`
 107         echo "#ifdef $glib_sysdef" >>confrun.c
 108         echo "  fprintf (f, \"#define GLIB_SYSDEF_%s %s%d${glib_nl}\", \"$glib_sysdef\", \"$4\", $glib_sysdef);" >>confrun.c
 109         echo "#else" >>confrun.c
 110         if test $glib_sysdef != $glib_default; then
 111                 echo "  fprintf (f, \"#define GLIB_SYSDEF_%s %s%d${glib_nl}\", \"$glib_sysdef\", \"$4\", $glib_default);" >>confrun.c
 112         else
 113                 echo "  fprintf (f, \"#define GLIB_SYSDEF_%s${glib_nl}\", \"$glib_sysdef\");" >>confrun.c
 114         fi
 115         echo "#endif" >>confrun.c
 116 done
 117 echo "return 0; }" >>confrun.c
 118 AC_TRY_RUN(`cat confrun.c`, AC_MSG_RESULT(done),
 119 [       for glib_sysdef_input in $2 ; do
 120                 glib_sysdef=`echo $glib_sysdef_input | sed 's/^\([[^:]]*\):.*$/\1/'`
 121                 glib_default=`echo $glib_sysdef_input | sed 's/^[[^:]]*:\(.*\)$/\1/'`
 122                 if test $glib_sysdef != $glib_default; then
 123                         glib_default=" $4$glib_default"
 124                 else
 125                         glib_default=
 126                 fi
 127                 echo "#define GLIB_SYSDEF_$glib_sysdef$glib_default" >>$glib_sysdefso
 128         done
 129         AC_MSG_RESULT(failed)])
 130 rm -f confrun.c
 131 ])