diff -rup curl-7.19.6.orig/configure.ac curl-7.19.6/configure.ac
--- curl-7.19.6.orig/configure.ac	2009-09-02 15:46:09.396519773 +0200
+++ curl-7.19.6/configure.ac	2009-09-02 15:56:18.750831674 +0200
@@ -1455,22 +1455,37 @@ if test X"$OPT_LIBSSH2" != Xno; then
   case "$OPT_LIBSSH2" in
   yes)
     dnl --with-libssh2 (without path) used
-    PREFIX_LIBSSH2=/usr/local/lib
-    LIB_LIBSSH2="$PREFIX_LIBSSH2$libsuff"
+    CURL_CHECK_PKGCONFIG(libssh2)
+
+    if test "$PKGCONFIG" != "no" ; then
+      LIB_SSH2=`$PKGCONFIG --libs-only-l libssh2`
+      LD_SSH2=`$PKGCONFIG --libs-only-L libssh2`
+      CPP_SSH2=`$PKGCONFIG --cflags-only-I libssh2`
+      version=`$PKGCONFIG --modversion libssh2`
+      DIR_SSH2=`echo $LD_SSH2 | $SED -e 's/-L//'`
+    fi
+    
     ;;
   off)
     dnl no --with-libssh2 option given, just check default places
-    PREFIX_LIBSSH2=
     ;;
   *)
     dnl use the given --with-libssh2 spot
-    PREFIX_LIBSSH2=$OPT_LIBSSH2
-    LIB_LIBSSH2="$PREFIX_LIBSSH2/lib$libsuff"
-    LDFLAGS="$LDFLAGS -L$LIB_LIBSSH2"
-    CPPFLAGS="$CPPFLAGS -I$PREFIX_LIBSSH2/include"
+    PREFIX_SSH2=$OPT_LIBSSH2
     ;;
   esac
 
+  dnl if given with a prefix, we set -L and -I based on that
+  if test -n "$PREFIX_SSH2"; then
+    LD_SSH2=-L${PREFIX_SSH2}/lib
+    CPP_SSH2=-I${PREFIX_SSH2}/include
+    DIR_SSH2=${PREFIX_SSH2}/lib
+  fi
+
+  LDFLAGS="$LDFLAGS $LD_SSH2"
+  CPPFLAGS="$CPPFLAGS $CPP_SSH2"
+  LIBS="$LIBS $LIB_SSH2"
+
   AC_CHECK_LIB(ssh2, libssh2_channel_open_ex)
 
   AC_CHECK_HEADERS(libssh2.h,
@@ -1494,10 +1509,15 @@ if test X"$OPT_LIBSSH2" != Xno; then
        dnl libssh2_version is a post 1.0 addition
        AC_CHECK_FUNCS( libssh2_version )
 
-       LD_LIBRARY_PATH="$LD_LIBRARY_PATH:$LIB_LIBSSH2"
+       LD_LIBRARY_PATH="$LD_LIBRARY_PATH:$DIR_SSH2"
        export LD_LIBRARY_PATH
-       AC_MSG_NOTICE([Added $LIB_LIBSSH2 to LD_LIBRARY_PATH])
+       AC_MSG_NOTICE([Added $DIR_SSH2 to LD_LIBRARY_PATH])
     fi
+  else
+    dnl no libssh2, revert back to clean variables
+    LDFLAGS=$CLEANLDFLAGS
+    CPPFLAGS=$CLEANCPPFLAGS
+    LIBS=$CLEANLIBS
   fi
 fi
 
@@ -1665,13 +1685,21 @@ if test "$OPENSSL_ENABLED" != "1" -a "$G
         addcflags=`$PKGCONFIG --cflags nss`
         version=`$PKGCONFIG --modversion nss`
         nssprefix=`$PKGCONFIG --variable=prefix nss`
+      else
+        dnl Without pkg-config, we check for nss-config
+
+        check=`nss-config --version 2>/dev/null`
+        if test -n "$check"; then
+          addlib=`nss-config --libs`
+          addcflags=`nss-config --cflags`
+          version=`nss-config --version`
+          nssprefix=`nss-config --prefix`
+        else
+          addlib="-lnss3"
+          addcflags=""
+          version="unknown"
+        fi
       fi
-    else
-      # Without pkg-config, we'll kludge in some defaults
-      addlib="-L$OPT_NSS/lib -lssl3 -lsmime3 -lnss3 -lplds4 -lplc4 -lnspr4 -lpthread -ldl"
-      addcflags="-I$OPT_NSS/include"
-      version="unknown"
-      nssprefix=$OPT_NSS
     fi
 
     dnl Check for functionPK11_CreateGenericObject
Only in curl-7.19.6.orig: configure.ac.orig