Merge pull request #29 from davvid/cmake-build-type

* davvid/cmake-build-type:
  Makefile: allow specifying a build type for cmake
  CMakeLists.txt: do not override user-specified CMAKE_BUILD_TYPE

Signed-off-by: David Aguilar <davvid@gmail.com>

CMakeLists.txt

@@ -8,11 +8,16 @@ include(FindThreads)
 
 enable_testing()
 
-# Detect the build type from the $FLAVOR environment variable
-if ("$ENV{FLAVOR}" MATCHES "debug")
-    set(CMAKE_BUILD_TYPE "Debug" CACHE STRING "type of build" FORCE)
-else ()
-    set(CMAKE_BUILD_TYPE "Release" CACHE STRING "type of build" FORCE)
+if (NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
+    # Detect the build type from the $FLAVOR environment variable
+    # Default to optimized Release builds when unspecified.
+    if ("$ENV{FLAVOR}" MATCHES "debug")
+        set(CMAKE_BUILD_TYPE "Debug" CACHE STRING "type of build" FORCE)
+    elseif ("$ENV{FLAVOR}" MATCHES "profile")
+        set(CMAKE_BUILD_TYPE "RelWithDebInfo" CACHE STRING "type of build" FORCE)
+    else ()
+        set(CMAKE_BUILD_TYPE "Release" CACHE STRING "type of build" FORCE)
+    endif ()
 endif ()
 
 if (NOT WIN32)

Makefile

@@ -21,6 +21,10 @@ ifdef TOOLCHAIN
     CMAKE_FLAGS += -DCMAKE_TOOLCHAIN_FILE=$(TOOLCHAIN)
 endif
 
+ifdef BUILD_TYPE
+    CMAKE_FLAGS += -DCMAKE_BUILD_TYPE=$(BUILD_TYPE)
+endif
+
 # make V=1 shortcut for VERBOSE=1
 ifdef V
     VERBOSE=1