From f26911c9741478dff13fd9fd2ad2e0149a29803b Mon Sep 17 00:00:00 2001
From: lieff <lieff@users.noreply.github.com>
Date: Tue, 10 Apr 2018 13:14:13 +0300
Subject: [PATCH] add windows build

---
 .gitignore            |  2 ++
 build.sh              |  2 +-
 build_win.sh          | 27 +++++++++++++++++++++++++++
 minishadertoy.c       |  9 +++++++--
 windows/mingw64.cmake | 11 +++++++++++
 5 files changed, 48 insertions(+), 3 deletions(-)
 create mode 100755 build_win.sh
 create mode 100644 windows/mingw64.cmake

diff --git a/.gitignore b/.gitignore
index f4169e0..ad899a5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,3 @@
+curl
+glfw
 toy
diff --git a/build.sh b/build.sh
index 949d177..e0c3243 100755
--- a/build.sh
+++ b/build.sh
@@ -1 +1 @@
-gcc -O2 -std=c99 -DHAVE_CURL -D_DEBUG *.c jfes/*.c -o toy -lcurl -lglfw -ldl -lm
\ No newline at end of file
+gcc -O2 -std=c99 -DHAVE_CURL -D_DEBUG -D_POSIX_C_SOURCE=200809 *.c jfes/*.c -o toy -lcurl -lglfw -ldl -lm
\ No newline at end of file
diff --git a/build_win.sh b/build_win.sh
new file mode 100755
index 0000000..e9738f9
--- /dev/null
+++ b/build_win.sh
@@ -0,0 +1,27 @@
+set -e
+
+if [ ! -d "glfw" ]; then
+  git clone --depth=1 https://github.com/glfw/glfw
+  mkdir glfw/build
+  cd glfw/build
+  cmake -DCMAKE_TOOLCHAIN_FILE=../../windows/mingw64.cmake -DGLFW_BUILD_EXAMPLES=0 -DGLFW_BUILD_TESTS=0 -DGLFW_BUILD_DOCS=0 ..
+  make -j4
+  cd ../../
+fi
+
+if [ ! -d "curl" ]; then
+  CC=x86_64-w64-mingw32-gcc
+  export CC
+  git clone --depth=1 https://github.com/curl/curl
+  cd curl
+  ./buildconf
+  mkdir build
+  cd build
+  ../configure --host=x86_64-w64-mingw32 --disable-shared --disable-ldap --with-winssl
+  make -j4
+  cd ../../
+fi
+
+x86_64-w64-mingw32-gcc -static -O2 -std=gnu99 -DHAVE_CURL -DCURL_STATICLIB -D_DEBUG -D_POSIX_C_SOURCE=200809 *.c jfes/*.c -o toy.exe \
+-Lglfw/build/src -Iglfw/include -Lcurl/build/lib/.libs/ -Icurl/include \
+-lcurl -lglfw3 -lpthread -lm -lgdi32 -lws2_32 -lcrypt32
diff --git a/minishadertoy.c b/minishadertoy.c
index 1a05228..837b55a 100644
--- a/minishadertoy.c
+++ b/minishadertoy.c
@@ -5,7 +5,12 @@
 #include <assert.h>
 #include <time.h>
 #include <sys/stat.h>
+#ifndef __MINGW32__
 #include <alloca.h>
+#define MKDIRARGS ,0777
+#else
+#define MKDIRARGS
+#endif
 #include <errno.h>
 #include "glad.h"
 #include "jfes/jfes.h"
@@ -111,7 +116,7 @@ static int mkpath(char *path)
 
     if (buffer[len - 1] == '/')
         buffer[len - 1] = '\0';
-    if (mkdir(buffer, 0777) == 0)
+    if (mkdir(buffer MKDIRARGS) == 0)
     {
         free(buffer);
         return 1;
@@ -126,7 +131,7 @@ static int mkpath(char *path)
             break;
         char sav = *p;
         *p = 0;
-        if ((mkdir(buffer, 0777) == -1) && (errno == ENOENT))
+        if ((mkdir(buffer MKDIRARGS) == -1) && (errno == ENOENT))
             goto fail;
         *p++ = sav;
     }
diff --git a/windows/mingw64.cmake b/windows/mingw64.cmake
new file mode 100644
index 0000000..6b3a088
--- /dev/null
+++ b/windows/mingw64.cmake
@@ -0,0 +1,11 @@
+set(CMAKE_SYSTEM_NAME Windows)
+set(TOOLCHAIN_PREFIX x86_64-w64-mingw32)
+
+set(CMAKE_C_COMPILER ${TOOLCHAIN_PREFIX}-gcc)
+set(CMAKE_CXX_COMPILER ${TOOLCHAIN_PREFIX}-g++)
+set(CMAKE_RC_COMPILER ${TOOLCHAIN_PREFIX}-windres)
+set(CMAKE_FIND_ROOT_PATH /usr/${TOOLCHAIN_PREFIX})
+
+set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
+set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)