m4/gdlib.m4

   1 dnl ---------------------------------------------------------------------------
   2 dnl AM_OPTIONS_GDLIBCONFIG
   3 dnl
   4 dnl adds support for --gdlib-prefix and --gdlib-config
   5 dnl command line options
   6 dnl ---------------------------------------------------------------------------
   7
   8 AC_DEFUN([AM_OPTIONS_GDLIBCONFIG],
   9 [
  10         AC_ARG_WITH(
  11                 [gdlib-prefix],
  12                 [AS_HELP_STRING(
  13                         [--with-gdlib-prefix=PREFIX],
  14                         [prefix where gdlib is installed (optional)])],
  15                 [gdlib_config_prefix="$withval"],
  16                 [gdlib_config_prefix=""])
  17         AC_ARG_WITH(
  18                 [gdlib-config],
  19                 [AS_HELP_STRING(
  20                         [--with-gdlib-config=CONFIG],
  21                         [gdlib-config script to use (optional)])],
  22                 [gdlib_config_name="$withval"],
  23                 [gdlib_config_name=""])
  24 ])
  25
  26 dnl ---------------------------------------------------------------------------
  27 dnl AM_PATH_GDLIBCONFIG([VERSION [, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
  28 dnl
  29 dnl Test for gdlib, and define GDLIB*FLAGS, GDLIB_LIBS and GDLIB_CONFIG_NAME
  30 dnl environment variable to override the default name of the gdlib-config script
  31 dnl to use. Set GDLIB_CONFIG_PATH to specify the full path to gdlib-config -
  32 dnl in this case the macro won't even waste time on tests for its existence.
  33 dnl ---------------------------------------------------------------------------
  34 AC_DEFUN([AM_PATH_GDLIBCONFIG],
  35 [AC_REQUIRE([AM_OPTIONS_GDLIBCONFIG])dnl
  36 m4_define([REQUIRED_VERSION], [ifelse([$1],, [2.0.0], [$1])])dnl
  37 m4_define([REQUIRED_VERSION_MAJOR], [m4_bregexp(REQUIRED_VERSION, [\([0-9]+\)\.\([0-9]+\)\.\([0-9]+\)], [\1])])dnl
  38 m4_define([REQUIRED_VERSION_MINOR], [m4_bregexp(REQUIRED_VERSION, [\([0-9]+\)\.\([0-9]+\)\.\([0-9]+\)], [\2])])dnl
  39 m4_define([REQUIRED_VERSION_MICRO], [m4_bregexp(REQUIRED_VERSION, [\([0-9]+\)\.\([0-9]+\)\.\([0-9]+\)], [\3])])dnl
  40
  41   dnl do we have gdlib-config name: it can be gdlib-config or gd-config or ...
  42   if test x${GDLIB_CONFIG_NAME+set} != xset ; then
  43      GDLIB_CONFIG_NAME=gdlib-config
  44   fi
  45   if test "x$gdlib_config_name" != x ; then
  46      GDLIB_CONFIG_NAME="$gdlib_config_name"
  47   fi
  48
  49   dnl deal with optional prefix
  50   if test x$gdlib_config_prefix != x ; then
  51      GDLIB_LOOKUP_PATH="$gdlib_config_prefix/bin"
  52   fi
  53
  54   dnl don't search the PATH if GDLIB_CONFIG_NAME is absolute filename
  55   if test -x "$GDLIB_CONFIG_NAME" ; then
  56      AC_MSG_CHECKING(for gdlib-config)
  57      GDLIB_CONFIG_PATH="$GDLIB_CONFIG_NAME"
  58      AC_MSG_RESULT($GDLIB_CONFIG_PATH)
  59   else
  60      AC_PATH_PROG(GDLIB_CONFIG_PATH, $GDLIB_CONFIG_NAME, no, "$GDLIB_LOOKUP_PATH:$PATH")
  61   fi
  62
  63   if test "$GDLIB_CONFIG_PATH" != "no" ; then
  64     GDLIB_VERSION=""
  65
  66     AC_MSG_CHECKING([for gdlib version >= REQUIRED_VERSION])
  67
  68     GDLIB_CONFIG_WITH_ARGS="$GDLIB_CONFIG_PATH $gdlib_config_args"
  69
  70     GDLIB_VERSION=`$GDLIB_CONFIG_WITH_ARGS --version`
  71     gdlib_config_major_version=`echo $GDLIB_VERSION | sed ['s/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/\1/']`
  72     gdlib_config_minor_version=`echo $GDLIB_VERSION | sed ['s/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/\2/']`
  73     gdlib_config_micro_version=`echo $GDLIB_VERSION | sed ['s/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/\3/']`
  74
  75     gdlib_ver_ok=""
  76     if test $gdlib_config_major_version -gt REQUIRED_VERSION_MAJOR; then
  77       gdlib_ver_ok=yes
  78     else
  79       if test $gdlib_config_major_version -eq REQUIRED_VERSION_MAJOR; then
  80          if test $gdlib_config_minor_version -gt REQUIRED_VERSION_MINOR; then
  81             gdlib_ver_ok=yes
  82          else
  83             if test $gdlib_config_minor_version -eq REQUIRED_VERSION_MINOR; then
  84                if test $gdlib_config_micro_version -ge REQUIRED_VERSION_MICRO; then
  85                   gdlib_ver_ok=yes
  86                fi
  87             fi
  88          fi
  89       fi
  90     fi
  91
  92     if test x$gdlib_ver_ok = x ; then
  93       if test x$GDLIB_VERSION = x; then
  94         dnl no gdlib-config at all
  95         AC_MSG_RESULT([no])
  96       else
  97         AC_MSG_RESULT([no (version $GDLIB_VERSION is not new enough)])
  98         GDLIB_VERSION=
  99       fi
 100       $3
 101     else
 102       AC_MSG_RESULT([yes (version $GDLIB_VERSION)])
 103       AC_CHECK_HEADER([gd.h])
 104       if test $ac_cv_header_gd_h = yes; then
 105         GDLIB_CFLAGS="`$GDLIB_CONFIG_WITH_ARGS --cflags`"
 106         GDLIB_LDFLAGS="`$GDLIB_CONFIG_WITH_ARGS --ldflags`"
 107         GDLIB_LIBS="`$GDLIB_CONFIG_WITH_ARGS --libs`"
 108         $2
 109       else
 110         GDLIB_VERSION=
 111         $3
 112       fi
 113     fi
 114   else
 115     ifelse([$3],, :, [$3])
 116   fi
 117
 118 AC_SUBST(GDLIB_CFLAGS)dnl
 119 AC_SUBST(GDLIB_LDFLAGS)dnl
 120 AC_SUBST(GDLIB_LIBS)dnl
 121
 122 m4_undefine([REQUIRED_VERSION])dnl
 123 m4_undefine([REQUIRED_VERSION_MAJOR])dnl
 124 m4_undefine([REQUIRED_VERSION_MINOR])dnl
 125 m4_undefine([REQUIRED_VERSION_MICRO])dnl
 126 ])