source4/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_EXT_LIB_FROM_PKGCONFIG(name,pkg-config name,[ACTION-IF-FOUND],[ACTION-IF-NOT-FOUND])
   8 dnl
   9 dnl SMB_INCLUDED_LIB_PKGCONFIG(name,pkg-config name,[ACTION-IF-FOUND],[ACTION-IF-NOT-FOUND])
  10 dnl
  11 dnl SMB_EXT_LIB(name,libs,cflags,cppflags,ldflags)
  12 dnl
  13 dnl SMB_ENABLE(name,default_build)
  14 dnl
  15 dnl SMB_INCLUDE_MK(file)
  16 dnl
  17 dnl SMB_WRITE_MAKEVARS(file)
  18 dnl
  19 dnl SMB_WRITE_PERLVARS(file)
  20 dnl
  21 dnl #######################################################
  22 dnl ### And now the implementation                      ###
  23 dnl #######################################################
  24
  25 dnl SMB_SUBSYSTEM(name,obj_files,required_subsystems,cflags)
  26 AC_DEFUN([SMB_SUBSYSTEM],
  27 [
  28 MAKE_SETTINGS="$MAKE_SETTINGS
  29 $1_CFLAGS = $4
  30 $1_ENABLE = YES
  31 $1_OBJ_FILES = $2
  32 "
  33
  34 SMB_INFO_SUBSYSTEMS="$SMB_INFO_SUBSYSTEMS
  35 ###################################
  36 # Start Subsystem $1
  37 @<:@SUBSYSTEM::$1@:>@
  38 PRIVATE_DEPENDENCIES = $3
  39 CFLAGS = \$($1_CFLAGS)
  40 ENABLE = YES
  41 # End Subsystem $1
  42 ###################################
  43 "
  44 ])
  45
  46 dnl SMB_LIBRARY(name,obj_files,required_subsystems,cflags,ldflags)
  47 AC_DEFUN([SMB_LIBRARY],
  48 [
  49 MAKE_SETTINGS="$MAKE_SETTINGS
  50 $1_CFLAGS = $6
  51 $1_LDFLAGS = $7
  52 n1_ENABLE = YES
  53 $1_OBJ_FILES = $2
  54 "
  55
  56 SMB_INFO_LIBRARIES="$SMB_INFO_LIBRARIES
  57 ###################################
  58 # Start Library $1
  59 @<:@LIBRARY::$1@:>@
  60 PRIVATE_DEPENDENCIES = $3
  61 CFLAGS = \$($1_CFLAGS)
  62 LDFLAGS = \$($1_LDFLAGS)
  63 ENABLE = YES
  64 # End Library $1
  65 ###################################
  66 "
  67 ])
  68
  69 dnl SMB_EXT_LIB_FROM_PKGCONFIG(name,pkg-config name,[ACTION-IF-FOUND],[ACTION-IF-NOT-FOUND])
  70 AC_DEFUN([SMB_EXT_LIB_FROM_PKGCONFIG],
  71 [
  72         dnl Figure out the correct variables and call SMB_EXT_LIB()
  73
  74         if test -z "$PKG_CONFIG"; then
  75                 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  76         fi
  77
  78         if test "$PKG_CONFIG" = "no" ; then
  79                 echo "*** The pkg-config script could not be found. Make sure it is"
  80                 echo "*** in your path, or set the PKG_CONFIG environment variable"
  81                 echo "*** to the full path to pkg-config."
  82                 echo "*** Or see http://pkg-config.freedesktop.org/ to get pkg-config."
  83                         ac_cv_$1_found=no
  84         else
  85                 if $PKG_CONFIG --atleast-pkgconfig-version 0.9.0; then
  86                         AC_MSG_CHECKING(for $2)
  87
  88                         if $PKG_CONFIG --exists '$2' ; then
  89                                 AC_MSG_RESULT(yes)
  90
  91                                 $1_CFLAGS="`$PKG_CONFIG --cflags '$2'`"
  92                                 OLD_CFLAGS="$CFLAGS"
  93                                 CFLAGS="$CFLAGS $$1_CFLAGS"
  94                                 AC_MSG_CHECKING([that the C compiler can use the $1_CFLAGS])
  95                                 AC_TRY_RUN([#include "${srcdir-.}/../tests/trivial.c"],
  96                                         SMB_ENABLE($1, YES)
  97                                         AC_MSG_RESULT(yes),
  98                                         AC_MSG_RESULT(no),
  99                                         AC_MSG_WARN([cannot run when cross-compiling]))
 100                                 CFLAGS="$OLD_CFLAGS"
 101
 102                                 ac_cv_$1_libs_only_other="`$PKG_CONFIG --libs-only-other '$2'` `$PKG_CONFIG --libs-only-L '$2'`"
 103                                 LIB_REMOVE_USR_LIB(ac_cv_$1_libs_only_other)
 104                                 SMB_EXT_LIB($1,
 105                                         [`$PKG_CONFIG --libs-only-l '$2'`],
 106                                         [`$PKG_CONFIG --cflags-only-other '$2'`],
 107                                         [`$PKG_CONFIG --cflags-only-I '$2'`],
 108                                         [$ac_cv_$1_libs_only_other])
 109                                 ac_cv_$1_found=yes
 110
 111                         else
 112                                 AC_MSG_RESULT(no)
 113                                 $PKG_CONFIG --errors-to-stdout --print-errors '$2'
 114                                 ac_cv_$1_found=no
 115                         fi
 116                 else
 117                         echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
 118                         echo "*** See http://pkg-config.freedesktop.org/"
 119                         ac_cv_$1_found=no
 120                 fi
 121         fi
 122         if test x$ac_cv_$1_found = x"yes"; then
 123                 ifelse([$3], [], [echo -n ""], [$3])
 124         else
 125                 ifelse([$4], [], [
 126                           SMB_EXT_LIB($1)
 127                           SMB_ENABLE($1, NO)
 128                 ], [$4])
 129         fi
 130 ])
 131
 132 dnl SMB_INCLUDED_LIB_PKGCONFIG(name,pkg-config name,[ACTION-IF-FOUND],[ACTION-IF-NOT-FOUND])
 133 AC_DEFUN([SMB_INCLUDED_LIB_PKGCONFIG],
 134 [
 135         AC_ARG_ENABLE([external-]translit($1,`A-Z',`a-z'),
 136                 AS_HELP_STRING([--enable-external-]translit($1,`A-Z',`a-z'), [Use external $1 instead of built-in (default=ifelse([$5],[],auto,$5))]), [], [enableval=ifelse([$5],[],auto,$5)])
 137
 138         if test $enableval = yes -o $enableval = auto; then
 139                 SMB_EXT_LIB_FROM_PKGCONFIG([$1], [$2], [$3], [
 140                         if test $enableval = yes; then
 141                                 AC_MSG_ERROR([Unable to find external $1])
 142                         fi
 143                         enableval=no
 144                 ])
 145         fi
 146         if test $enableval = no; then
 147                 ifelse([$4], [], [
 148                           SMB_EXT_LIB($1)
 149                           SMB_ENABLE($1, NO)
 150                 ], [$4])
 151         fi
 152 ])
 153
 154 dnl SMB_INCLUDE_MK(file)
 155 AC_DEFUN([SMB_INCLUDE_MK],
 156 [
 157 SMB_INFO_EXT_LIBS="$SMB_INFO_EXT_LIBS
 158 mkinclude $1
 159 "
 160 ])
 161
 162 dnl
 163 dnl SMB_EXT_LIB() just specifies the details of the library.
 164 dnl Note: the library isn't enabled by default.
 165 dnl You need to enable it with SMB_ENABLE(name) if configure
 166 dnl find it should be used. E.g. it should not be enabled
 167 dnl if the library is present, but the header file is missing.
 168 dnl
 169 dnl SMB_EXT_LIB(name,libs,cflags,cppflags,ldflags)
 170 AC_DEFUN([SMB_EXT_LIB],
 171 [
 172 MAKE_SETTINGS="$MAKE_SETTINGS
 173 $1_LIBS = $2
 174 $1_CFLAGS = $3
 175 $1_CPPFLAGS = $4
 176 $1_LDFLAGS = $5
 177 "
 178
 179 ])
 180
 181 dnl SMB_ENABLE(name,default_build)
 182 AC_DEFUN([SMB_ENABLE],
 183 [
 184         MAKE_SETTINGS="$MAKE_SETTINGS
 185 $1_ENABLE = $2
 186 "
 187 SMB_INFO_ENABLES="$SMB_INFO_ENABLES
 188 \$enabled{$1} = \"$2\";"
 189 ])
 190
 191 dnl SMB_MAKE_SETTINGS(text)
 192 AC_DEFUN([SMB_MAKE_SETTINGS],
 193 [
 194 MAKE_SETTINGS="$MAKE_SETTINGS
 195 $1
 196 "
 197 ])
 198
 199 dnl SMB_WRITE_MAKEVARS(path, skip_vars)
 200 AC_DEFUN([SMB_WRITE_MAKEVARS],
 201 [
 202 echo "configure: creating $1"
 203 cat >$1<<CEOF
 204 # $1 - Autogenerated by configure, DO NOT EDIT!
 205 $MAKE_SETTINGS
 206 CEOF
 207 skip_vars=" $2 "
 208 for ac_var in $ac_subst_vars
 209 do
 210     eval ac_val=\$$ac_var
 211         if echo "$skip_vars" | grep -v " $ac_var " >/dev/null 2>/dev/null; then
 212                 echo "$ac_var = $ac_val" >> $1
 213         fi
 214 done
 215 ])
 216
 217 dnl SMB_WRITE_PERLVARS(path)
 218 AC_DEFUN([SMB_WRITE_PERLVARS],
 219 [
 220 echo "configure: creating $1"
 221 cat >$1<<CEOF
 222 # config.pm - Autogenerate by configure. DO NOT EDIT!
 223
 224 package config;
 225 require Exporter;
 226 @ISA = qw(Exporter);
 227 @EXPORT_OK = qw(%enabled %config);
 228 use strict;
 229
 230 use vars qw(%enabled %config);
 231
 232 %config = (
 233 CEOF
 234
 235 for ac_var in $ac_subst_vars
 236 do
 237         eval ac_val=\$$ac_var
 238         # quote ' (\x27) inside '...' and make sure \ isn't eaten by shells, so use perl:
 239         QAC_VAL=$ac_val QAC_VAR=$ac_var perl -e '$myval="$ENV{QAC_VAL}"; $myval =~ s/\x27/\\\x27/g ; print $ENV{QAC_VAR}." => \x27$myval\x27,\n"' >> $1
 240 done
 241
 242 cat >>$1<<CEOF
 243 );
 244 $SMB_INFO_ENABLES
 245 1;
 246 CEOF
 247 ])
 248
 249 dnl SMB_BUILD_RUN(OUTPUT_FILE)
 250 AC_DEFUN([SMB_BUILD_RUN],
 251 [
 252 AC_OUTPUT_COMMANDS(
 253 [
 254 test "x$ac_abs_srcdir" != "x$ac_abs_builddir" && (
 255         cd $builddir;
 256         # NOTE: We *must* use -R so we don't follow symlinks (at least on BSD
 257         # systems).
 258         test -d heimdal || cp -R $srcdir/heimdal $builddir/
 259         test -d heimdal_build || cp -R $srcdir/heimdal_build $builddir/
 260         test -d build || builddir="$builddir" \
 261                         srcdir="$srcdir" \
 262                         $PERL ${srcdir}/script/buildtree.pl
 263  )
 264
 265 $PERL -I${builddir} -I${builddir}/build \
 266     -I${srcdir} -I${srcdir}/build \
 267     ${srcdir}/build/smb_build/main.pl --output=$1 main.mk || exit $?
 268 ],
 269 [
 270 srcdir="$srcdir"
 271 builddir="$builddir"
 272 PERL="$PERL"
 273
 274 export PERL
 275 export srcdir
 276 export builddir
 277 ])
 278 ])