Added m4 macros YAZ_LIBXML2, YAZ_LIBXSLT, YAZ_LIBEXSLT.

diff --git a/yaz_libxml2.m4 b/yaz_libxml2.m4
new file mode 100644 (file)
index 0000000..73cd732
--- /dev/null
+++ b/yaz_libxml2.m4
@@ -0,0 +1,131 @@
+AC_DEFUN([YAZ_LIBXML2],[
+xml2dir=default
+XML2_VER=""
+AC_ARG_WITH(xml2,[[  --with-xml2[=PREFIX]    use libxml2 in PREFIX]],xml2dir=$withval)
+dnl -- if no PREFIX or not specified we just search in default locations
+dnl -- try pkg-config. If not found, use xml2-config
+if test "$xml2dir" = "yes" -o "$xml2dir" = "default"; then
+       if test "$pkgconfigpath" != "NONE"; then
+               if $pkgconfigpath --exists libxml-2.0; then
+                       pkgmodule="libxml-2.0"
+               fi
+       fi
+       if test -z "$pkgmodule"; then
+               for d in /usr /usr/local; do
+                       if test -x $d/bin/xml2-config; then
+                               xml2dir=$d
+                       fi
+               done
+       fi
+fi
+dnl --- do the real check (pkg-config, xml2-config, not-found)
+if test "$xml2dir" != "no"; then
+       AC_MSG_CHECKING(for libXML2)
+       if test "$pkgmodule"; then
+               XML2_LIBS=`$pkgconfigpath --libs $pkgmodule`
+               XML2_CFLAGS=`$pkgconfigpath --cflags $pkgmodule`
+               XML2_VER=`$pkgconfigpath --modversion $pkgmodule`
+               AC_MSG_RESULT($XML2_VER)
+               AC_DEFINE(HAVE_XML2)
+       elif test -x $xml2dir/bin/xml2-config; then
+               XML2_LIBS=`$xml2dir/bin/xml2-config --libs`
+               XML2_CFLAGS=`$xml2dir/bin/xml2-config --cflags`
+               XML2_VER=`$xml2dir/bin/xml2-config --version`
+               AC_MSG_RESULT($XML2_VER)
+               AC_DEFINE(HAVE_XML2)
+       else
+               AC_MSG_RESULT(Not found)
+
+               if test "$xml2dir" = "default"; then
+                       AC_MSG_WARN([libxml2 development libraries not found.])
+                       AC_MSG_WARN([There will be no support for SRU.])
+               else
+                       AC_MSG_ERROR([libxml2 development libraries not found.])
+               fi
+       fi
+fi
+])
+
+AC_DEFUN([YAZ_LIBXSLT],[
+xsltdir=default
+pkgmodule=""
+XSLT_VER=""
+AC_ARG_WITH(xslt,[[  --with-xslt[=PREFIX]    use libXSLT in PREFIX]],xsltdir=$withval)
+
+dnl -- if no PREFIX or not specified we just search in default locations
+dnl -- try pkg-config. If not found, use xslt-config
+if test "$xsltdir" = "yes" -o "$xsltdir" = "default"; then
+       if test "$pkgconfigpath" != "NONE"; then
+               # pkg-config on woody reports bad CFLAGS which does 
+               # not include libxml2 CFLAGS, so avoid it..
+               if $pkgconfigpath --atleast-version 1.1.0 libxslt; then
+                       pkgmodule="libxslt"
+               fi
+       fi
+       if test -z "$pkgmodule"; then
+               for d in /usr /usr/local; do
+                       if test -x $d/bin/xslt-config; then
+                               xsltdir=$d
+                       fi
+               done
+       fi
+fi
+dnl --- do the real check (pkg-config, xslt-config, not-found)
+if test "$xsltdir" != "no"; then
+       AC_MSG_CHECKING(for libXSLT)
+       if test "$pkgmodule"; then
+               XML2_LIBS=`$pkgconfigpath --libs $pkgmodule`
+               XML2_CFLAGS=`$pkgconfigpath --cflags $pkgmodule`
+               XSLT_VER=`$pkgconfigpath --modversion $pkgmodule`
+               AC_MSG_RESULT($XSLT_VER)
+               AC_DEFINE(HAVE_XSLT)
+       elif test -x $xsltdir/bin/xslt-config; then
+               XML2_LIBS=`$xsltdir/bin/xslt-config --libs`
+               XML2_CFLAGS=`$xsltdir/bin/xslt-config --cflags`
+               XSLT_VER=`$xsltdir/bin/xslt-config --version`
+               AC_MSG_RESULT($XSLT_VER)
+               AC_DEFINE(HAVE_XSLT)
+       else
+               AC_MSG_RESULT(Not found)
+
+               if test "$xsltdir" = "default"; then
+                       AC_MSG_WARN([libXSLT development libraries not found.])
+               else
+                       AC_MSG_ERROR([libXSLT development libraries not found.])
+               fi
+       fi
+fi
+])
+
+dnl -- get libEXSLT. xslt-config is no good. So use pkg-config only
+AC_DEFUN([YAZ_LIBEXSLT],[
+exsltdir=default
+pkgmodule=""
+EXSLT_VER=""
+AC_ARG_WITH(exslt,[[  --with-exslt[=PREFIX]   use libEXSLT in PREFIX]],exsltdir=$withval)
+if test "$exsltdir" = "yes" -o "$exsltdir" = "default"; then
+       if test "$pkgconfigpath" != "NONE"; then
+               if $pkgconfigpath --exists libexslt; then
+                       pkgmodule="libexslt"
+               fi
+       fi
+fi
+if test "$exsltdir" != "no"; then
+       AC_MSG_CHECKING(for libEXSLT)
+       if test "$pkgmodule"; then
+               XML2_LIBS=`$pkgconfigpath --libs $pkgmodule`
+               XML2_CFLAGS=`$pkgconfigpath --cflags $pkgmodule`
+               EXSLT_VER=`$pkgconfigpath --modversion $pkgmodule`
+               AC_MSG_RESULT($EXSLT_VER)
+               AC_DEFINE(HAVE_EXSLT)
+       else
+               AC_MSG_RESULT(Not found)
+
+               if test "$exsltdir" = "default"; then
+                       AC_MSG_WARN([libEXSLT development libraries not found.])
+               else
+                       AC_MSG_ERROR([libEXSLT development libraries not found.])
+               fi
+       fi
+fi
+])
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