Merge pull request #12 from lucatrv/hotfix/multi-platform-support

Multi platform support, fixes issues #7 #8 #9

Author: ViralBShah

.gitignore

@@ -3,4 +3,5 @@
 *.so
 *.dylib
 *.dll
+*.exe
 hello

juliac.jl

@@ -6,7 +6,6 @@ function compile(julia_program_file, julia_install_path,
     filename = split(julia_program_file, ".")[1]
     O_FILE = "$(filename).o"
 
-    SYS_LIB = joinpath(julia_install_path, "lib", "julia", "sys")
     JULIA_EXE = joinpath(julia_install_path, "bin", "julia")
     LIB_PATH = joinpath(julia_install_path, "lib")
     SO_FILE = "lib$(filename).$(Libdl.dlext)"
@@ -15,7 +14,7 @@ function compile(julia_program_file, julia_install_path,
         julia_program_file = replace(julia_program_file, "\\", "\\\\")
     end
 
-    run(`"$(Base.julia_cmd())" "-J$(SYS_LIB)" "--startup-file=no" "--output-o" "$(O_FILE)" "-e" "
+    run(`"$(Base.julia_cmd())" "--startup-file=no" "--output-o" "$(O_FILE)" "-e" "
          vers = \""v$(VERSION.major).$(VERSION.minor)"\"
          const DIR_NAME = \"".julia"\"
          push!(Base.LOAD_CACHE_PATH, abspath(\""$julia_pkgdir"\", \""lib"\", vers))
@@ -28,7 +27,7 @@ function compile(julia_program_file, julia_install_path,
     ldlibs = Base.shell_split(readstring(`$(JULIA_EXE) $(joinpath(julia_install_path, "share", "julia", "julia-config.jl")) --ldlibs`))
 
     if is_windows()
-        run(`x86_64-w64-mingw32-gcc -m64 -fPIC -shared -o $(SO_FILE) $(O_FILE) $(ldflags) $(ldlibs)`)
+        run(`x86_64-w64-mingw32-gcc -m64 -fPIC -shared -o $(SO_FILE) $(O_FILE) $(ldflags) $(ldlibs) -Wl,--export-all-symbols`)
         run(`x86_64-w64-mingw32-gcc -m64 program.c -o $(filename).exe $(SO_FILE) $(cflags) $(ldflags) $(ldlibs) -lopenlibm -Wl,-rpath,\$ORIGIN`)
     else
         run(`g++ -m64 -fPIC -shared -o $(SO_FILE) $(O_FILE) $(ldflags) $(ldlibs)`)