hardcode libxslt & libxml cflags/lib for use with the Mac SDK

also remove the then unused PKG_CHECK_MODULES_MACHACK wrapper

acinclude.m4

@@ -118,21 +118,3 @@ esac
 AC_LANG_POP(C)
 
 ]) dnl end AC_DEFUN
-
-dnl PKG_CHECK_MODULES_MACHACK is like PKG_CHECK_MODULES but sneaks in an extra
-dnl argument between the first and second, denoting a program to call instead of
-dnl pkg-config on Mac OS X (aka Darwin):
-AC_DEFUN([PKG_CHECK_MODULES_MACHACK],
-[if test "$_os" = "Darwin"; then
-   AC_MSG_CHECKING($1_CFLAGS)
-   $1_CFLAGS=`$2 --cflags`
-   AC_MSG_RESULT($$1_CFLAGS)
-   AC_MSG_CHECKING($1_LIBS)
-   $1_LIBS=`$2 --libs`
-   AC_MSG_RESULT($$1_LIBS)
-   AC_SUBST($1_CFLAGS)
-   AC_SUBST($1_LIBS)
- else
-   PKG_CHECK_MODULES($1, $3, $4, $5, $6)
- fi
-])

configure.in

@@ -4305,50 +4305,63 @@ if test -n "$with_system_libxml" -o -n "$with_system_libs" && \
     fi
 fi
 
-dnl ===================================================================
-dnl Check for system libxslt
-dnl ===================================================================
+# ===================================================================
+# Check for system libxslt
+# ===================================================================
 AC_MSG_CHECKING([which libxslt to use])
 if test -n "$with_system_libxslt" -o -n "$with_system_libs" -o \
        "$_os" = "Darwin" && \
    test "$with_system_libxslt" != "no"; then
-   AC_MSG_RESULT([external])
-   SYSTEM_LIBXSLT=YES
-
-   PKG_CHECK_MODULES_MACHACK(LIBXSLT, xslt-config, libxslt)
+    AC_MSG_RESULT([external])
+    SYSTEM_LIBXSLT=YES
+    if test "$_os" = "Darwin"; then
+        dnl make sure to use SDK path
+        LIBXSLT_CFLAGS="-I/Developer/SDKs/MacOSX10.4u.sdk/usr/include/libxml2"
+        dnl omit -L/usr/lib
+        LIBXSLT_LIBS="-lxslt -lxml2 -lz -lpthread -liconv -lm"
+    else
+        PKG_CHECK_MODULES(LIBXSLT, xslt-config, libxslt)
+    fi
 
-   dnl Check for xsltproc
-   AC_PATH_PROG(XSLTPROC, xsltproc, no)
-   if test "$XSLTPROC" = "no"; then
-      AC_MSG_ERROR([xsltproc is required])
-   fi
+    dnl Check for xsltproc
+    AC_PATH_PROG(XSLTPROC, xsltproc, no)
+    if test "$XSLTPROC" = "no"; then
+        AC_MSG_ERROR([xsltproc is required])
+    fi
 else
-   AC_MSG_RESULT([internal])
-   SYSTEM_LIBXSLT=NO
-   BUILD_TYPE="$BUILD_TYPE LIBXSLT"
+    AC_MSG_RESULT([internal])
+    SYSTEM_LIBXSLT=NO
+    BUILD_TYPE="$BUILD_TYPE LIBXSLT"
 
-   if test "$cross_compiling" = "yes"; then
-      AC_PATH_PROG(XSLTPROC, xsltproc, no)
-      if test "$XSLTPROC" = "no"; then
-         AC_MSG_ERROR([xsltproc is required])
-      fi
-   fi
+    if test "$cross_compiling" = "yes"; then
+        AC_PATH_PROG(XSLTPROC, xsltproc, no)
+        if test "$XSLTPROC" = "no"; then
+            AC_MSG_ERROR([xsltproc is required])
+        fi
+    fi
 fi
 AC_SUBST(SYSTEM_LIBXSLT)
 AC_SUBST(LIBXSLT_CFLAGS)
 AC_SUBST(LIBXSLT_LIBS)
 AC_SUBST(XSLTPROC)
 
-dnl ===================================================================
-dnl Check for system libxml
-dnl ===================================================================
+# ===================================================================
+# Check for system libxml
+# ===================================================================
 AC_MSG_CHECKING([which libxml to use])
 if test -n "$with_system_libxml" -o -n "$with_system_libs" -o \
             "$_os" = "Darwin" && \
     test "$with_system_libxml" != "no"; then
     AC_MSG_RESULT([external])
     SYSTEM_LIBXML=YES
-    PKG_CHECK_MODULES_MACHACK(LIBXML, xml2-config, libxml-2.0 >= 2.0)
+    if test "$_os" = "Darwin"; then
+        dnl make sure to use SDK path
+        LIBXML_CFLAGS="-I/Developer/SDKs/MacOSX10.4u.sdk/usr/include/libxml2"
+        dnl omit -L/usr/lib
+        LIBXML_LIBS="-lxml2 -lz -lpthread -liconv -lm"
+    else
+        PKG_CHECK_MODULES(LIBXML, libxml-2.0 >= 2.0)
+    fi
     BUILD_TYPE="$BUILD_TYPE LIBXMLSEC"
 else
     AC_MSG_RESULT([internal])