fix build when system boost is mt and local boost is not mt

1 files changed, 38 insertions, 17 deletions

diff --git a/boost.pri b/boost.pri
index c2f5d8e..284125e 100644
--- a/boost.pri
+++ b/boost.pri
@@ -6,35 +6,56 @@ boost {
   !isEmpty(BOOST_DIR) {
     QMAKE_INCDIR += $$BOOST_DIR
     message("boost location: $$BOOST_DIR")
-    win32:QMAKE_LIBDIR += -L$$BOOST_DIR/lib
+    win32: QMAKE_LIBDIR += -L$$BOOST_DIR/lib
   }
 
-  win32:!CONFIG(mingw-cross-env) {
-    LIBS += -llibboost_thread-vc90-mt-s-1_46_1 -llibboost_program_options-vc90-mt-s-1_46_1
-  } 
-
   CONFIG(mingw-cross-env) {
     DEFINES += BOOST_STATIC
     DEFINES += BOOST_THREAD_USE_LIB
     DEFINES += Boost_USE_STATIC_LIBS
-    LIBS += -lboost_thread_win32-mt -lboost_program_options-mt
+    BOOST_LINK_FLAGS = -lboost_thread_win32-mt -lboost_program_options-mt
   } 
 
-  unix {
-    BMT_TEST1 = /usr/lib64/libboost*thread-mt*
-    BMT_TEST2 = /usr/lib/libboost*thread-mt*
-    BMT_TEST3 = $$BOOST_DIR/lib/libboost*thread-mt*
+  isEmpty($$BOOST_LINK_FLAGS):win32 {
+    BOOST_LINK_FLAGS = -llibboost_thread-vc90-mt-s-1_46_1 -llibboost_program_options-vc90-mt-s-1_46_1
+  } 
 
-    exists($$BMT_TEST1)|exists($$BMT_TEST2)|exists($$BMT_TEST3) {
-      LIBS += -lboost_thread-mt -lboost_program_options-mt
-      BOOST_IS_MT = true
-    } 
+  # check for OPENSCAD_LIBDIR + multithread
+  isEmpty($$BOOST_LINK_FLAGS) {
+    OPENSCAD_LIBDIR = $$(OPENSCAD_LIBRARIES)
+    !isEmpty($$OPENSCAD_LIBDIR) {
+      exists($$OPENSCAD_LIBDIR/lib/libboost*thread-mt*) {
+        BOOST_LINK_FLAGS = -lboost_thread-mt -lboost_program_options-mt
+      }
+    }
   }
 
-  unix|macx {
-    isEmpty(BOOST_IS_MT) { 
-      LIBS += -lboost_thread -lboost_program_options
+  # check for BOOSTDIR + multithread
+  isEmpty($$BOOST_LINK_FLAGS) {
+    BOOST_DIR = $$(BOOSTDIR)
+    !isEmpty($$BOOST_DIR) {
+      exists($$BOOST_DIR/lib/libboost*thread-mt*) {
+        BOOST_LINK_FLAGS = -lboost_thread-mt -lboost_program_options-mt
+      }
     }
   }
 
+  isEmpty($$BOOST_LINK_FLAGS) {
+    unix {
+      BMT_TEST1 = /usr/lib64/libboost*thread-mt*
+      BMT_TEST2 = /usr/lib/libboost*thread-mt*
+      exists($$BMT_TEST1)|exists($$BMT_TEST2) {
+        BOOST_LINK_FLAGS = -lboost_thread-mt -lboost_program_options-mt
+      }
+    }
+  }
+
+  isEmpty($$BOOST_LINK_FLAGS) {
+    unix|macx {
+      BOOST_LINK_FLAGS = -lboost_thread -lboost_program_options
+    }
+  }
+
+  LIBS += $$BOOST_LINK_FLAGS
+
 }