s4:build: use SAMBA_PKG_CONFIG_MIN_VERSION instead of PKG_CONFIG_MIN_VERSION

[ira/wip.git] / source4 / build / m4 / public.m4

diff --git a/source4/build/m4/public.m4 b/source4/build/m4/public.m4
index 1823f1ba97989f1997b5a187d48d68b200e33b18..bd98a400be488e4af6ac5c0c86bd9c24126e0f9b 100644 (file)
--- a/source4/build/m4/public.m4
+++ b/source4/build/m4/public.m4
@@ -6,6 +6,8 @@ dnl Published under the GPL
 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)
@@ -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 '$2' ; then
@@ -97,11 +100,13 @@ AC_DEFUN([SMB_EXT_LIB_FROM_PKGCONFIG],
                                        AC_MSG_WARN([cannot run when cross-compiling]))
                                CFLAGS="$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)
                                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_libs_only_other])
                                ac_cv_$1_found=yes
 
                        else
@@ -110,7 +115,7 @@ 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 +130,28 @@ 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 +160,13 @@ 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],
 [