Started the gcc stuff. Doesn't work on Windows; too much to fix.

CMakeLists.txt

@@ -2,7 +2,9 @@
 cmake_minimum_required(VERSION 2.8.11)
 
 # TODOs:
-# - MSVC static linking does not include the .res file in out\, so executables lack the necessary 
+# - MSVC static linking does not include the .res file in out\, so executables lack the necessary resources
+# - same thing with MinGW?
+# - MinGW doesn't work in general; windres doesn't like _UI_EXTERN (we could mitigate this by moving the stuff into ui.h and taking advantage of the libui_EXPORTS macro cmake makes for us) but
 
 project(libui LANGUAGES C CXX)
 option(BUILD_SHARED_LIBS "Whether to build libui as a shared library or a static library" ON)
@@ -55,6 +57,16 @@ if(MSVC)
 
 	# TODO autogenerate a .def file?
 else()
+	set(_COMMON_CFLAGS
+		-Wall -Wextra -pedantic
+		-Wno-unused-parameter
+		-Wno-switch
+		-fvisibility=hidden
+	)
+	# don't use C_VERSION or CXX_VERSION because they use GNU standards
+	string(APPEND CMAKE_C_FLAGS " --std=c99")
+	string(APPEND CMAKE_CXX_FLAGS " --std=c++11")
+
 endif()
 
 # problem:

migrate_build/CMakeLists.txt

@@ -114,9 +114,6 @@ if(MSVC)
 else()
 	append2(CMAKE_C_FLAGS CMAKE_CXX_FLAGS
 		" -Wall -Wextra -pedantic -Wno-unused-parameter -Wno-switch")
-	# don't use C_VERSION or CXX_VERSION because they use GNU standards
-	append(CMAKE_C_FLAGS " --std=c99")
-	append(CMAKE_CXX_FLAGS " --std=c++11")
 
 	if(NOT WIN32)
 		append(CMAKE_C_FLAGS_DEBUG " -fPIC")

migrate_build/build/GNUbasegcc.mk

@@ -3,32 +3,11 @@
 # Global flags.
 
 CFLAGS += \
-	-Wall -Wextra -pedantic \
-	-Wno-unused-parameter \
-	-Wno-switch \
 	--std=c99
 
-# C++11 is needed due to stupid rules involving commas at the end of enum lists that C++03 stupidly didn't follow
-# This means sorry, no GCC 2 for Haiku builds :(
 CXXFLAGS += \
-	-Wall -Wextra -pedantic \
-	-Wno-unused-parameter \
-	-Wno-switch \
 	--std=c++11
 
-# -fPIC shouldn't be used with static builds (see https://github.com/andlabs/libui/issues/72#issuecomment-222395547)
-ifeq (,$(STATIC))
-CFLAGS += -fPIC
-CXXFLAGS += -fPIC
-LDFLAGS += -fPIC
-endif
-
-ifneq ($(RELEASE),1)
-	CFLAGS += -g
-	CXXFLAGS += -g
-	LDFLAGS += -g
-endif
-
 # Build rules.
 
 OFILES = \

migrate_build/build/GNUmakefile.libui

@@ -27,7 +27,7 @@ SUFFIX = $(STATICLIBSUFFIX)
 endif
 
 ifeq ($(TOOLCHAIN),gcc)
-		-fvisibility=hidden
+		
 	LDFLAGS += \
 		-fvisibility=hidden
 else