Merge branch 'master' of ssh://git.samba.org/data/git/samba into displaysec
[samba.git] / source4 / build / m4 / public.m4
index 604092c8d7213effc2a444d92520fd7cb9b04c09..2bf63f0ca691ca5714825955e8972d4610f24735 100644 (file)
@@ -4,16 +4,20 @@ dnl Copyright (C) 2004 Stefan Metzmacher
 dnl Copyright (C) 2004-2005 Jelmer Vernooij
 dnl Published under the GPL
 dnl
-dnl SMB_SUBSYSTEM(name,obj_files,required_subsystems)
-dnl
 dnl SMB_EXT_LIB_FROM_PKGCONFIG(name,pkg-config name,[ACTION-IF-FOUND],[ACTION-IF-NOT-FOUND])
 dnl
+dnl SMB_INCLUDED_LIB_PKGCONFIG(name,pkg-config name,[ACTION-IF-FOUND],[ACTION-IF-NOT-FOUND])
+dnl
 dnl SMB_EXT_LIB(name,libs,cflags,cppflags,ldflags)
 dnl
 dnl SMB_ENABLE(name,default_build)
 dnl
 dnl SMB_INCLUDE_MK(file)
 dnl
+dnl SMB_WRITE_MAKEVARS(file)
+dnl
+dnl SMB_WRITE_PERLVARS(file)
+dnl
 dnl #######################################################
 dnl ### And now the implementation                     ###
 dnl #######################################################
@@ -22,9 +26,9 @@ dnl SMB_SUBSYSTEM(name,obj_files,required_subsystems,cflags)
 AC_DEFUN([SMB_SUBSYSTEM],
 [
 MAKE_SETTINGS="$MAKE_SETTINGS
-$1_OBJ_FILES = $2
 $1_CFLAGS = $4
 $1_ENABLE = YES
+$1_OBJ_FILES = $2
 "
 
 SMB_INFO_SUBSYSTEMS="$SMB_INFO_SUBSYSTEMS
@@ -39,14 +43,14 @@ ENABLE = YES
 "
 ])
 
-dnl SMB_LIBRARY(name,obj_files,required_subsystems,version,so_version,cflags,ldflags)
+dnl SMB_LIBRARY(name,obj_files,required_subsystems,cflags,ldflags)
 AC_DEFUN([SMB_LIBRARY],
 [
 MAKE_SETTINGS="$MAKE_SETTINGS
-$1_OBJ_FILES = $2
 $1_CFLAGS = $6
 $1_LDFLAGS = $7
-$1_ENABLE = YES
+n1_ENABLE = YES
+$1_OBJ_FILES = $2
 "
 
 SMB_INFO_LIBRARIES="$SMB_INFO_LIBRARIES
@@ -54,8 +58,6 @@ SMB_INFO_LIBRARIES="$SMB_INFO_LIBRARIES
 # Start Library $1
 @<:@LIBRARY::$1@:>@
 PRIVATE_DEPENDENCIES = $3
-VERSION = $4
-SO_VERSION = $5 
 CFLAGS = \$($1_CFLAGS)
 LDFLAGS = \$($1_LDFLAGS)
 ENABLE = YES
@@ -80,7 +82,8 @@ AC_DEFUN([SMB_EXT_LIB_FROM_PKGCONFIG],
                echo "*** Or see http://pkg-config.freedesktop.org/ to get pkg-config."
                        ac_cv_$1_found=no
        else
-               if $PKG_CONFIG --atleast-pkgconfig-version 0.9.0; then
+               SAMBA_PKG_CONFIG_MIN_VERSION="0.9.0"
+               if $PKG_CONFIG --atleast-pkgconfig-version $SAMBA_PKG_CONFIG_MIN_VERSION; then
                        AC_MSG_CHECKING(for $2)
 
                        if $PKG_CONFIG --exists '$2' ; then
@@ -90,18 +93,22 @@ AC_DEFUN([SMB_EXT_LIB_FROM_PKGCONFIG],
                                OLD_CFLAGS="$CFLAGS"
                                CFLAGS="$CFLAGS $$1_CFLAGS"
                                AC_MSG_CHECKING([that the C compiler can use the $1_CFLAGS])
-                               AC_TRY_RUN([#include "${srcdir-.}/build/tests/trivial.c"],
+                               AC_TRY_RUN([#include "${srcdir-.}/../tests/trivial.c"],
                                        SMB_ENABLE($1, YES)
                                        AC_MSG_RESULT(yes),
                                        AC_MSG_RESULT(no),
                                        AC_MSG_WARN([cannot run when cross-compiling]))
                                CFLAGS="$OLD_CFLAGS"
 
+                               ac_cv_$1_libs_only_other="`$PKG_CONFIG --libs-only-other '$2'` `$PKG_CONFIG --libs-only-L '$2'`"
+                               LIB_REMOVE_USR_LIB(ac_cv_$1_libs_only_other)
+                               ac_cv_$1_includedir_only="`$PKG_CONFIG --cflags-only-I '$2'`"
+                               CFLAGS_REMOVE_USR_INCLUDE(ac_cv_$1_includedir_only)
                                SMB_EXT_LIB($1, 
                                        [`$PKG_CONFIG --libs-only-l '$2'`], 
                                        [`$PKG_CONFIG --cflags-only-other '$2'`],
-                                       [`$PKG_CONFIG --cflags-only-I '$2'`],
-                                       [`$PKG_CONFIG --libs-only-other '$2'` `$PKG_CONFIG --libs-only-L '$2'`])
+                                       [$ac_cv_$1_includedir_only],
+                                       [$ac_cv_$1_libs_only_other])
                                ac_cv_$1_found=yes
 
                        else
@@ -110,7 +117,7 @@ AC_DEFUN([SMB_EXT_LIB_FROM_PKGCONFIG],
                                ac_cv_$1_found=no
                        fi
                else
-                       echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
+                       echo "*** Your version of pkg-config is too old. You need version $SAMBA_PKG_CONFIG_MIN_VERSION or newer."
                        echo "*** See http://pkg-config.freedesktop.org/"
                        ac_cv_$1_found=no
                fi
@@ -125,6 +132,28 @@ AC_DEFUN([SMB_EXT_LIB_FROM_PKGCONFIG],
        fi
 ])
 
+dnl SMB_INCLUDED_LIB_PKGCONFIG(name,pkg-config name,[ACTION-IF-FOUND],[ACTION-IF-NOT-FOUND])
+AC_DEFUN([SMB_INCLUDED_LIB_PKGCONFIG],
+[
+       AC_ARG_ENABLE([external-]translit($1,`A-Z',`a-z'),
+               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)])
+
+       if test $enableval = yes -o $enableval = auto; then
+               SMB_EXT_LIB_FROM_PKGCONFIG([$1], [$2], [$3], [
+                       if test $enableval = yes; then
+                               AC_MSG_ERROR([Unable to find external $1])
+                       fi
+                       enableval=no
+               ])
+       fi
+       if test $enableval = no; then
+               ifelse([$4], [], [
+                         SMB_EXT_LIB($1)
+                         SMB_ENABLE($1, NO)
+               ], [$4])
+       fi
+])
+
 dnl SMB_INCLUDE_MK(file)
 AC_DEFUN([SMB_INCLUDE_MK],
 [
@@ -133,6 +162,13 @@ mkinclude $1
 "
 ])
 
+dnl
+dnl SMB_EXT_LIB() just specifies the details of the library.
+dnl Note: the library isn't enabled by default.
+dnl You need to enable it with SMB_ENABLE(name) if configure
+dnl find it should be used. E.g. it should not be enabled
+dnl if the library is present, but the header file is missing.
+dnl
 dnl SMB_EXT_LIB(name,libs,cflags,cppflags,ldflags)
 AC_DEFUN([SMB_EXT_LIB],
 [
@@ -154,3 +190,92 @@ $1_ENABLE = $2
 SMB_INFO_ENABLES="$SMB_INFO_ENABLES
 \$enabled{$1} = \"$2\";"
 ])
+
+dnl SMB_MAKE_SETTINGS(text)
+AC_DEFUN([SMB_MAKE_SETTINGS],
+[
+MAKE_SETTINGS="$MAKE_SETTINGS
+$1
+"
+])
+
+dnl SMB_WRITE_MAKEVARS(path, skip_vars)
+AC_DEFUN([SMB_WRITE_MAKEVARS],
+[
+echo "configure: creating $1"
+cat >$1<<CEOF
+# $1 - Autogenerated by configure, DO NOT EDIT!
+$MAKE_SETTINGS
+CEOF
+skip_vars=" $2 "
+for ac_var in $ac_subst_vars
+do
+    eval ac_val=\$$ac_var
+       if echo "$skip_vars" | grep -v " $ac_var " >/dev/null 2>/dev/null; then
+               echo "$ac_var = $ac_val" >> $1
+       fi
+done
+])
+
+dnl SMB_WRITE_PERLVARS(path)
+AC_DEFUN([SMB_WRITE_PERLVARS],
+[
+echo "configure: creating $1"
+cat >$1<<CEOF
+# config.pm - Autogenerate by configure. DO NOT EDIT!
+
+package config;
+require Exporter;
+@ISA = qw(Exporter);
+@EXPORT_OK = qw(%enabled %config);
+use strict;
+
+use vars qw(%enabled %config);
+
+%config = (
+CEOF
+
+for ac_var in $ac_subst_vars
+do
+       eval ac_val=\$$ac_var
+       # quote ' (\x27) inside '...' and make sure \ isn't eaten by shells, so use perl:
+       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
+done
+
+cat >>$1<<CEOF
+);
+$SMB_INFO_ENABLES
+1;
+CEOF
+])
+
+dnl SMB_BUILD_RUN(OUTPUT_FILE)
+AC_DEFUN([SMB_BUILD_RUN],
+[
+AC_OUTPUT_COMMANDS(
+[
+test "x$ac_abs_srcdir" != "x$ac_abs_builddir" && (
+       cd $builddir;
+       # NOTE: We *must* use -R so we don't follow symlinks (at least on BSD
+       # systems).
+       test -d heimdal || cp -R $srcdir/heimdal $builddir/
+       test -d heimdal_build || cp -R $srcdir/heimdal_build $builddir/
+       test -d build || builddir="$builddir" \
+                       srcdir="$srcdir" \
+                       $PERL ${srcdir}/script/buildtree.pl
+ )
+
+$PERL -I${builddir} -I${builddir}/build \
+    -I${srcdir} -I${srcdir}/build \
+    ${srcdir}/build/smb_build/main.pl --output=$1 main.mk || exit $?
+],
+[
+srcdir="$srcdir"
+builddir="$builddir"
+PERL="$PERL"
+
+export PERL
+export srcdir
+export builddir
+])
+])