Provide nicer Tetris build env (#350)

samples/tetris/build

@@ -1,2 +1,24 @@
-./dist/bin/interop -def:sdl_test/sdl.def
-./dist/bin/konanc sdl_test/tetris.kt SDL/SDL.kt -nativelibrary sdlstubs.bc -linkerArg -F -linkerArg /Library/Frameworks -linkerArg -framework -linkerArg SDL2
+#!/usr/bin/env bash
+
+DIR=.
+DIST=../../dist
+OSX_CFLAGS=-I/Library/Frameworks/SDL2.framework/Headers
+OSX_LINKER_ARGS="-F /Library/Frameworks -framework SDL2"
+LINUX_CFLAGS=-I/usr/include/SDL2
+LINUX_LINKER_ARGS="-L/usr/lib/x86_64-linux-gnu -lSDL2"
+
+case "$OSTYPE" in
+  darwin*)  OS=OSX ;;
+  linux*)   OS=LINUX ;;
+  *)        echo "unknown: $OSTYPE" && exit 1;;
+esac
+
+var=${OS}_CFLAGS
+CFLAGS=${!var}
+var=${OS}_LINKER_ARGS
+LINKER_ARGS=${!var}
+
+$DIST/bin/interop -def:$DIR/sdl.def -copt:$CFLAGS || exit 1
+$DIST/bin/konanc -opt $DIR/tetris.kt sdl -nativelibrary sdlstubs.bc -linkerArgs "$LINKER_ARGS" -o tetris.kexe || exit 1
+strip tetris.kexe
+

samples/tetris/sdl.def

@@ -1,5 +1,9 @@
-headers = /Library/Frameworks/SDL2.framework/Headers/SDL.h stdio.h string.h unistd.h stdlib.h time.h
-excludedFunctions = _IO_flockfile _IO_funlockfile _IO_ftrylockfile _IO_cleanup_region_start _IO_cleanup_region_end \
-    mkstemp_dprotected_np
+headers = SDL.h stdio.h string.h unistd.h stdlib.h time.h
+excludedFunctions = _IO_flockfile _IO_funlockfile _IO_ftrylockfile \
+    _IO_cleanup_region_start _IO_cleanup_region_end \
+    mkstemp_dprotected_np 
 
-compilerOpts = -D_POSIX_SOURCE -mxsave -mavx -mf16c 
+compilerOpts.osx = -D_POSIX_SOURCE -mxsave -mavx -mf16c
+compilerOpts.linux = -D_REENTRANT
+
+linkerOpts.linux = -lm