Add dmd-style configuration file for rebuild usage. See #236 and thanks to ccuter for the patch!

.hgignore

@@ -24,6 +24,7 @@ syntax: regexp
 ^import/
 ^bin/ldc2?$
 ^bin/ldc2?\.conf$
+^bin/ldc2?\.rebuild\.conf$
 ^idgen\.make$
 ^impcnvgen\.make$
 ^ldc\.make$

CMakeLists.txt

@@ -227,6 +227,7 @@ get_target_property(LDC_LOC ${LDC_EXE} LOCATION)
 
 install(TARGETS ${LDC_EXE} DESTINATION bin)
 install(FILES ${PROJECT_BINARY_DIR}/bin/${LDC_EXE}.conf DESTINATION ${CONF_INST_DIR})
+install(FILES ${PROJECT_BINARY_DIR}/bin/${LDC_EXE}.rebuild.conf DESTINATION ${CONF_INST_DIR})
 install(DIRECTORY ${PROJECT_BINARY_DIR}/lib DESTINATION . USE_SOURCE_PERMISSIONS)
 
 add_subdirectory(runtime EXCLUDE_FROM_ALL)

ldc-posix-tango

@@ -1,7 +1,7 @@
 ignore=object
 
 compiler=ldc
-inifile=ldc.conf
+inifile=ldc.rebuild.conf
 
 exeext=
 objext=o

ldc.rebuild.conf.in

@@ -0,0 +1,2 @@
+[Environment] 
+DFLAGS=-I@RUNTIME_DIR@ -I@RUNTIME_DIR@/lib/common -L-L%@P%/../lib -d-version=Tango -defaultlib=@RUNTIME_AIO@ -debuglib=@RUNTIME_AIO@ 

ldc2.conf.in

@@ -1,2 +1,15 @@
-[Environment]
-DFLAGS=-I@RUNTIME_DIR@/import -L-L%@P%/../lib
+// This configuration file uses libconfig.
+// See http://www.hyperrealm.com/libconfig/ for syntax details.
+
+// The default group is required
+default:
+{
+    // 'switches' holds array of string that are appends to the command line
+    // arguments before they are parsed.
+    switches = [
+        "-I@RUNTIME_DIR@/import",
+        "-L-L@PROJECT_BINARY_DIR@/../lib",
+        "-defaultlib=@RUNTIME_AIO@",
+        "-debuglib=@RUNTIME_AIO@"
+    ];
+};

ldc2.rebuild.conf.in

@@ -0,0 +1,2 @@
+[Environment]
+DFLAGS=-I@RUNTIME_DIR@/import -L-L%@P%/../lib -defaultlib=@RUNTIME_AIO@ -debuglib=@RUNTIME_AIO@

runtime/CMakeLists.txt

@@ -85,6 +85,7 @@ if(NOT LDC_LOC)
 endif(NOT LDC_LOC)
 
 configure_file(${PROJECT_PARENT_DIR}/${LDC_EXE}.conf.in ${PROJECT_BINARY_DIR}/../bin/${LDC_EXE}.conf)
+configure_file(${PROJECT_PARENT_DIR}/${LDC_EXE}.rebuild.conf.in ${PROJECT_BINARY_DIR}/../bin/${LDC_EXE}.rebuild.conf)
 
 # patch runtime source, uses LDC_EXE for ldc2
 if(D_VERSION EQUAL 2)