Qmake directives to help using Templight to analyse our template usage.

mkspecs/features/common_post.prf

@@ -52,6 +52,12 @@ macx:staticlib:isEmpty(SOURCES) {
 # not supported by clang_cl
 clang_cl: CONFIG -= precompile_header
 
+################################
+# Templight (template analysis tool)
+################################
+
+include(templight.pri)
+
 ################################
 # Black libs
 ################################

mkspecs/features/copyfiles.pri

@@ -9,12 +9,10 @@ defineReplace(fileCopyDestination) {
 
 win32:isEmpty(MINGW_IN_SHELL) {
     copy_files.commands = copy /y ${QMAKE_FILE_IN} ${QMAKE_FILE_OUT}
-    TOUCH = copy /y nul
 }
 else {
     copy_files.commands = mkdir -p `dirname ${QMAKE_FILE_OUT}` && \
                           cp ${QMAKE_FILE_IN} ${QMAKE_FILE_OUT}
-    TOUCH = touch
 }
 
 QMAKE_EXTRA_COMPILERS += copy_files
@@ -25,6 +23,7 @@ QMAKE_EXTRA_COMPILERS += copy_files
 # with PRE_TARGETDEPS instead.
 #copy_files.CONFIG += target_predeps
 
+load(touch)
 copy_files_cookie.depends = compiler_copy_files_make_all
 copy_files_cookie.target = copy_files.cookie
 win32:!mingw: copy_files_cookie.commands = $$TOUCH $** && $$TOUCH $@

mkspecs/features/templight.pri

@@ -0,0 +1,30 @@
+contains(BLACK_CONFIG, Templight) {
+    QMAKE_CXXFLAGS += -Xtemplight -profiler -Xtemplight -ignore-system
+    QMAKE_CXXFLAGS += -Xtemplight -blacklist -Xtemplight $$PWD/templight_blacklist
+    clang_cl {
+        QMAKE_CC = clang-cl
+        QMAKE_CXX = templight-cl
+        moc_predefs.commands = clang-cl -Bx$$shell_quote($$shell_path($$QMAKE_QMAKE)) $$QMAKE_CXXFLAGS \
+                               -E -Za ${QMAKE_FILE_IN} 2>NUL >${QMAKE_FILE_OUT} $$escape_expand(\n)$$LITERAL_HASH
+    }
+    else:clang {
+        QMAKE_CC = clang
+        QMAKE_CXX = templight++
+        moc_predefs.commands = clang++ $$QMAKE_CXXFLAGS -dM -E -o ${QMAKE_FILE_OUT} ${QMAKE_FILE_IN}
+    }
+    else:error(Templight requires a clang mkspec)
+
+    templight-convert.commands = templight-convert -f callgrind -i ${QMAKE_FILE_IN}.trace.pbf -o ${QMAKE_FILE_OUT}
+    templight-convert.CONFIG = no_link
+    templight-convert.input = OBJECTS
+    templight-convert.output = ${QMAKE_FILE_IN_PATH}/callgrind.${QMAKE_FILE_IN_BASE}
+    QMAKE_EXTRA_COMPILERS += templight-convert
+
+    load(touch)
+    win32:!mingw: templight-convert-cookie.commands = $$TOUCH $** && $$TOUCH $@
+    else:         templight-convert-cookie.commands = $$TOUCH $<  && $$TOUCH $@
+    templight-convert-cookie.depends = compiler_templight-convert_make_all
+    templight-convert-cookie.target = templight-convert.cookie
+    QMAKE_EXTRA_TARGETS += templight-convert-cookie
+    !isEmpty(SOURCES): PRE_TARGETDEPS += templight-convert.cookie
+}

mkspecs/features/templight_blacklist

@@ -0,0 +1,14 @@
+#
+# Identifiers matching the regular expressions below
+# will be omitted from templight traces.
+#
+
+# standard library templates
+identifier ^std(::|$)
+
+# standard library implementation templates
+identifier __
+identifier ^_[A-Z]
+
+# assume templates starting with 'Q' are Qt templates
+identifier ^[qQ]

mkspecs/features/touch.prf

@@ -0,0 +1,6 @@
+win32:isEmpty(MINGW_IN_SHELL) {
+    TOUCH = copy /y nul
+}
+else {
+    TOUCH = touch
+}