build/autoconf/nspr.m4

   1 # -*- tab-width: 4; -*-
   2 # Configure paths for NSPR
   3 # Public domain - Chris Seawood <cls@seawood.org> 2001-04-05
   4 # Based upon gtk.m4 (also PD) by Owen Taylor
   5
   6 dnl AM_PATH_NSPR([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
   7 dnl Test for NSPR, and define NSPR_CFLAGS and NSPR_LIBS
   8 dnl
   9 dnl If the nspr-config script is available, use it to find the
  10 dnl appropriate CFLAGS and LIBS, and to check for the required
  11 dnl version, and run ACTION-IF-FOUND.
  12 dnl
  13 dnl Otherwise, if NO_NSPR_CONFIG_SYSTEM_VERSION is set, we use it,
  14 dnl NO_NSPR_CONFIG_SYSTEM_CFLAGS, and NO_NSPR_CONFIG_SYSTEM_LIBS to
  15 dnl provide default values, and run ACTION-IF-FOUND.  (Some systems
  16 dnl ship NSPR without nspr-config, but can glean the appropriate flags
  17 dnl and version.)
  18 dnl
  19 dnl Otherwise, run ACTION-IF-NOT-FOUND.
  20 AC_DEFUN([AM_PATH_NSPR],
  21 [dnl
  22
  23 AC_ARG_WITH(nspr-prefix,
  24         [  --with-nspr-prefix=PFX  Prefix where NSPR is installed],
  25         nspr_config_prefix="$withval",
  26         nspr_config_prefix="")
  27
  28 AC_ARG_WITH(nspr-exec-prefix,
  29         [  --with-nspr-exec-prefix=PFX
  30                           Exec prefix where NSPR is installed],
  31         nspr_config_exec_prefix="$withval",
  32         nspr_config_exec_prefix="")
  33
  34         if test -n "$nspr_config_exec_prefix"; then
  35                 nspr_config_args="$nspr_config_args --exec-prefix=$nspr_config_exec_prefix"
  36                 if test -z "$NSPR_CONFIG"; then
  37                         NSPR_CONFIG=$nspr_config_exec_prefix/bin/nspr-config
  38                 fi
  39         fi
  40         if test -n "$nspr_config_prefix"; then
  41                 nspr_config_args="$nspr_config_args --prefix=$nspr_config_prefix"
  42                 if test -z "$NSPR_CONFIG"; then
  43                         NSPR_CONFIG=$nspr_config_prefix/bin/nspr-config
  44                 fi
  45         fi
  46
  47         unset ac_cv_path_NSPR_CONFIG
  48         AC_PATH_PROG(NSPR_CONFIG, nspr-config, no)
  49         min_nspr_version=ifelse([$1], ,4.0.0,$1)
  50         AC_MSG_CHECKING(for NSPR - version >= $min_nspr_version)
  51
  52         no_nspr=""
  53         if test "$NSPR_CONFIG" != "no"; then
  54                 NSPR_CFLAGS=`$NSPR_CONFIG $nspr_config_args --cflags`
  55                 NSPR_LIBS=`$NSPR_CONFIG $nspr_config_args --libs`
  56                 NSPR_VERSION_STRING=`$NSPR_CONFIG $nspr_config_args --version`
  57         elif test -n "${NO_NSPR_CONFIG_SYSTEM_VERSION}"; then
  58             NSPR_CFLAGS="${NO_NSPR_CONFIG_SYSTEM_CFLAGS}"
  59                 NSPR_LIBS="${NO_NSPR_CONFIG_SYSTEM_LDFLAGS}"
  60                 NSPR_VERSION_STRING="$NO_NSPR_CONFIG_SYSTEM_VERSION"
  61         else
  62             no_nspr="yes"
  63         fi
  64
  65         if test -z "$no_nspr"; then
  66                 nspr_config_major_version=`echo $NSPR_VERSION_STRING | \
  67                         sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
  68                 nspr_config_minor_version=`echo $NSPR_VERSION_STRING | \
  69                         sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
  70                 nspr_config_micro_version=`echo $NSPR_VERSION_STRING | \
  71                         sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
  72                 min_nspr_major_version=`echo $min_nspr_version | \
  73                         sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
  74                 min_nspr_minor_version=`echo $min_nspr_version | \
  75                         sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
  76                 min_nspr_micro_version=`echo $min_nspr_version | \
  77                         sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
  78                 if test "$nspr_config_major_version" -ne "$min_nspr_major_version"; then
  79                         no_nspr="yes"
  80                 elif test "$nspr_config_major_version" -eq "$min_nspr_major_version" &&
  81                      test "$nspr_config_minor_version" -lt "$min_nspr_minor_version"; then
  82                         no_nspr="yes"
  83                 elif test "$nspr_config_major_version" -eq "$min_nspr_major_version" &&
  84                      test "$nspr_config_minor_version" -eq "$min_nspr_minor_version" &&
  85                      test "$nspr_config_micro_version" -lt "$min_nspr_micro_version"; then
  86                         no_nspr="yes"
  87                 fi
  88         fi
  89
  90         if test -z "$no_nspr"; then
  91                 AC_MSG_RESULT(yes)
  92                 ifelse([$2], , :, [$2])
  93         else
  94                 AC_MSG_RESULT(no)
  95         fi
  96
  97
  98         AC_SUBST(NSPR_CFLAGS)
  99         AC_SUBST(NSPR_LIBS)
 100
 101 ])