source/build/m4/public.m4

   1 dnl SMB Build System
   2 dnl ----------------
   3 dnl Copyright (C) 2004 Stefan Metzmacher
   4 dnl Copyright (C) 2004-2005 Jelmer Vernooij
   5 dnl Published under the GPL
   6 dnl
   7 dnl SMB_SUBSYSTEM(name,obj_files,required_subsystems)
   8 dnl
   9 dnl SMB_EXT_LIB_ENABLE(name,default_build)
  10 dnl
  11 dnl SMB_EXT_LIB_FROM_PKGCONFIG(name,pkg-config name)
  12 dnl
  13 dnl SMB_EXT_LIB(name,libs,cflags,cppflags,ldflags)
  14 dnl
  15 dnl SMB_ENABLE(name,default_build)
  16 dnl
  17 dnl #######################################################
  18 dnl ### And now the implementation                      ###
  19 dnl #######################################################
  20
  21 dnl SMB_SUBSYSTEM(name,obj_files,required_subsystems)
  22 AC_DEFUN([SMB_SUBSYSTEM],
  23 [
  24         if test -z "$[SMB_SUBSYSTEM_NOPROTO_][$1]"; then
  25                 [SMB_SUBSYSTEM_NOPROTO_][$1]="NO";
  26         fi
  27
  28 SMB_INFO_SUBSYSTEMS="$SMB_INFO_SUBSYSTEMS
  29 ###################################
  30 # Start Subsystem $1
  31 @<:@SUBSYSTEM::$1@:>@
  32 OBJ_FILES = $2
  33 PRIVATE_DEPENDENCIES = $3
  34 ENABLE = YES
  35 # End Subsystem $1
  36 ###################################
  37 "
  38 ])
  39
  40 dnl SMB_EXT_LIB_ENABLE(name,default_build)
  41 AC_DEFUN([SMB_EXT_LIB_ENABLE],
  42 [
  43 [SMB_EXT_LIB_ENABLE_][$1]="$2"
  44 SMB_INFO_ENABLES="$SMB_INFO_ENABLES
  45 \$enabled{EXT_LIB_$1} = \"$2\";"
  46 ])
  47
  48 dnl SMB_EXT_LIB_FROM_PKGCONFIG(name,pkg-config name)
  49 AC_DEFUN([SMB_EXT_LIB_FROM_PKGCONFIG],
  50 [
  51         dnl Figure out the correct variables and call SMB_EXT_LIB()
  52
  53         if test -z "$PKG_CONFIG"; then
  54                 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  55         fi
  56
  57         if test "$PKG_CONFIG" = "no" ; then
  58                 echo "*** The pkg-config script could not be found. Make sure it is"
  59                 echo "*** in your path, or set the PKG_CONFIG environment variable"
  60                 echo "*** to the full path to pkg-config."
  61                 echo "*** Or see http://www.freedesktop.org/software/pkgconfig to get pkg-config."
  62                         SMB_EXT_LIB($1)
  63                         SMB_EXT_LIB_ENABLE($1, NO)
  64         else
  65                 if $PKG_CONFIG --atleast-pkgconfig-version 0.9.0; then
  66                         AC_MSG_CHECKING(for $2)
  67
  68                         if test "$SMB_EXT_LIB_$1"x = "NO"x ; then
  69                                 SMB_EXT_LIB_ENABLE($1, NO)
  70                                 AC_MSG_RESULT(disabled)
  71                         elif $PKG_CONFIG --exists '$2' ; then
  72                                 AC_MSG_RESULT(yes)
  73
  74
  75                                 $1_CFLAGS="`$PKG_CONFIG --cflags '$2'`"
  76                         OLD_CFLAGS="$CFLAGS"
  77                         CFLAGS="$CFLAGS $$1_CFLAGS"
  78                         AC_MSG_CHECKING([that the C compiler can use the $1_CFLAGS])
  79                         AC_TRY_RUN([#include "${srcdir-.}/build/tests/trivial.c"],
  80                                         SMB_EXT_LIB_ENABLE($1, YES)
  81                                 AC_MSG_RESULT(yes),
  82                                         AC_MSG_RESULT(no),
  83                                 CFLAGS="$OLD_CFLAGS"
  84                                         AC_MSG_WARN([cannot run when cross-compiling]))
  85
  86
  87                                 SMB_EXT_LIB($1,
  88                                         [`$PKG_CONFIG --libs-only-l '$2'`],
  89                                         [`$PKG_CONFIG --cflags-only-other '$2'`],
  90                                         [`$PKG_CONFIG --cflags-only-I '$2'`],
  91                                         [`$PKG_CONFIG --libs-only-other '$2'` `$PKG_CONFIG --libs-only-L '$2'`])
  92
  93                         else
  94                                 SMB_EXT_LIB($1)
  95                                 SMB_EXT_LIB_ENABLE($1, NO)
  96                                 AC_MSG_RESULT(no)
  97                                 $PKG_CONFIG --errors-to-stdout --print-errors '$2'
  98                         fi
  99                 else
 100                         echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
 101                                 echo "*** See http://www.freedesktop.org/software/pkgconfig"
 102                                 SMB_EXT_LIB($1)
 103                                 SMB_EXT_LIB_ENABLE($1, NO)
 104                 fi
 105         fi
 106 ])
 107
 108 dnl SMB_EXT_LIB(name,libs,cflags,cppflags,ldflags)
 109 AC_DEFUN([SMB_EXT_LIB],
 110 [
 111
 112 SMB_INFO_EXT_LIBS="$SMB_INFO_EXT_LIBS
 113 ###################################
 114 # Start Ext Lib $1
 115 @<:@EXT_LIB::EXT_LIB_$1@:>@
 116 LIBS = $2
 117 CFLAGS = $3
 118 CPPFLAGS = $4
 119 LDFLAGS = $5
 120 # End Ext Lib $1
 121 ###################################
 122 "
 123 ])
 124
 125 dnl SMB_ENABLE(name,default_build)
 126 AC_DEFUN([SMB_ENABLE],
 127 [
 128         [SMB_ENABLE_][$1]="$2";
 129
 130 SMB_INFO_ENABLES="$SMB_INFO_ENABLES
 131 \$enabled{$1} = \"$2\";"
 132 ])