File librecad-use-system-libdxfrw.patch of Package librecad

build: avoid using bundled libdxfrw
[asterios.dramis@gmail.com: imported the patch from Fedora into openSUSE's librecad]
[jslaby@suse.com: rebase/rework on top of 2.1.0]

---
 libraries/libraries.pro |    1 -
 librecad/src/src.pro    |    5 ++---
 2 files changed, 2 insertions(+), 4 deletions(-)

--- a/libraries/libraries.pro
+++ b/libraries/libraries.pro
@@ -9,7 +9,6 @@ TEMPLATE = subdirs
 TARGET = libraries
 
 SUBDIRS     = \
-        libdxfrw \
         jwwlib
 
 macx|win32|equals(build_muparser, "true")|!packagesExist(muparser){
--- a/librecad/src/src.pro
+++ b/librecad/src/src.pro
@@ -35,8 +35,7 @@ greaterThan( QT_MAJOR_VERSION, 4 ) {
 }
 
 GEN_LIB_DIR = ../../generated/lib
-PRE_TARGETDEPS += $$GEN_LIB_DIR/libdxfrw.a \
-		$$GEN_LIB_DIR/libjwwlib.a
+PRE_TARGETDEPS += $$GEN_LIB_DIR/libjwwlib.a
 
 DESTDIR = $${INSTALLDIR}
 
@@ -84,7 +83,7 @@ LIBS += -L../../generated/lib  \
     -ljwwlib
 
 INCLUDEPATH += \
-    ../../libraries/libdxfrw/src \
+    $${DXFRW_INCLUDEDIR} \
     ../../libraries/jwwlib/src \
     cmd \
     lib/actions \