Add STB library as submodule "vendor/stb"

.gitmodules

@@ -5,3 +5,6 @@
 [submodule "vendor/glm"]
 	path = vendor/glm
 	url = https://github.com/g-truc/glm.git
+[submodule "vendor/stb"]
+	path = vendor/stb
+	url = https://github.com/nothings/stb.git

CMakeLists.txt

@@ -5,7 +5,7 @@ set (CMAKE_RUNTIME_OUTPUT_DIRECTORY "build")
 
 project (Matabstrix)
 add_definitions ("-std=c++14 -Wall -Wextra")
-set (CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} "--embed-file data -s STB_IMAGE=1 -s TOTAL_MEMORY=67108864")
+set (CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} "--embed-file data -s TOTAL_MEMORY=67108864")
 
 file (GLOB_RECURSE sources "src/**.cpp"
                            "examples/**.cpp")
@@ -16,3 +16,6 @@ set_target_properties (matabstrix PROPERTIES OUTPUT_NAME "index")
 
 find_package (GLM REQUIRED)
 include_directories (${GLM_INCLUDE_DIRS})
+
+find_package (STB REQUIRED)
+include_directories (${STB_INCLUDE_DIRS})

cmake/Modules/FindSTB.cmake

@@ -0,0 +1,64 @@
+# FindSTB - attempts to locate the stb single-file public domain
+#                                  libraries for C/C++
+#
+# This module defines the following variables (on success):
+#   STB_INCLUDE_DIRS  - where to find stb_image.h
+#   STB_FOUND         - if the library was successfully located
+#
+# It is trying a few standard installation locations, but can be customized
+# with the following variables:
+#   STB_ROOT_DIR      - root directory of a stb installation
+#                       Headers are expected to be found in either:
+#                       <STB_ROOT_DIR>/stb_image.h           OR
+#                       <STB_ROOT_DIR>/include/stb_image.h
+#                       This variable can either be a cmake or environment
+#                       variable. Note however that changing the value
+#                       of the environment varible will NOT result in
+#                       re-running the header search and therefore NOT
+#                       adjust the variables set by this module.
+
+#=============================================================================
+# Copyright 2012 Carsten Neumann
+#
+# Distributed under the OSI-approved BSD License (the "License");
+# see accompanying file Copyright.txt for details.
+#
+# This software is distributed WITHOUT ANY WARRANTY; without even the
+# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+# See the License for more information.
+#=============================================================================
+# (To distribute this file outside of CMake, substitute the full
+#  License text for the above reference.)
+
+# default search dirs
+SET(_stb_HEADER_SEARCH_DIRS
+    "/usr/include"
+    "/usr/local/include")
+
+# check environment variable
+SET(_stb_ENV_ROOT_DIR "$ENV{STB_ROOT_DIR}")
+
+IF(NOT STB_ROOT_DIR AND _stb_ENV_ROOT_DIR)
+    SET(STB_ROOT_DIR "${_stb_ENV_ROOT_DIR}")
+ENDIF(NOT STB_ROOT_DIR AND _stb_ENV_ROOT_DIR)
+
+# put user specified location at beginning of search
+IF(STB_ROOT_DIR)
+    SET(_stb_HEADER_SEARCH_DIRS "${STB_ROOT_DIR}"
+                                "${STB_ROOT_DIR}/include"
+                                 ${_stb_HEADER_SEARCH_DIRS})
+ENDIF(STB_ROOT_DIR)
+
+# locate header
+FIND_PATH(STB_INCLUDE_DIR "stb_image.h"
+    PATHS ${_stb_HEADER_SEARCH_DIRS})
+
+INCLUDE(FindPackageHandleStandardArgs)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(STB DEFAULT_MSG
+    STB_INCLUDE_DIR)
+
+IF(STB_FOUND)
+    SET(STB_INCLUDE_DIRS "${STB_INCLUDE_DIR}")
+
+    MESSAGE(STATUS "STB_INCLUDE_DIR = ${STB_INCLUDE_DIR}")
+ENDIF(STB_FOUND)

configure

@@ -3,7 +3,9 @@
 VENDOR="vendor"
 
 GLM="$VENDOR/glm"
+STB="$VENDOR/stb"
 
 cmake \
 -DCMAKE_TOOLCHAIN_FILE="$EMSCRIPTEN/cmake/Modules/Platform/Emscripten.cmake" \
--DGLM_INCLUDE_DIR="$GLM"
+-DGLM_INCLUDE_DIR="$GLM" \
+-DSTB_INCLUDE_DIR="$STB"

vendor/stb

@@ -0,0 +1 @@
+Subproject commit 5809508de3329c992d4d8dea03a8be7e1a0d0f35