adding compiler check

2 files changed, 99 insertions, 69 deletions

diff --git a/omni/platform.h b/omni/platform.h
index 593b79c..5410f6d 100644
--- a/omni/platform.h
+++ b/omni/platform.h
@@ -1,5 +1,5 @@
 #ifndef OMNI_PLATFORM_H
-#define OMNI_PLATFORM_H
+#  define OMNI_PLATFORM_H
 
 /*
  *
@@ -7,21 +7,20 @@
  *
  */
 
-#undef OMNI_CC_MSVC
-#undef OMNI_CC_GNU
+#  undef OMNI_CC_MSVC
+#  undef OMNI_CC_GNU
 
-#if defined(_MSC_VER)
-#define OMNI_CC_MSVC
-#endif
+#  if defined(_MSC_VER)
+#    define OMNI_CC_MSVC
+#  endif
 
-#if defined(__GNUC__) || defined(__clang__)
-#define OMNI_CC_GNU
-#endif
+#  if defined(__GNUC__) || defined(__clang__)
+#    define OMNI_CC_GNU
+#  endif
 
-
-#if !defined(OMNI_CC_GNU) && !defined(OMNI_CC_MSVC)
-#error "compiler not supported"
-#endif
+#  if !defined(OMNI_CC_GNU) && !defined(OMNI_CC_MSVC)
+#    error "compiler not supported"
+#  endif
 
 /*
  *
@@ -29,34 +28,34 @@
  *
  */
 
-#undef OMNI_ARCH_X86
-#undef OMNI_ARCH_ARM
-#undef OMNI_ARCH_64BIT
-#undef OMNI_ARCH_32BIT
+#  undef OMNI_ARCH_X86
+#  undef OMNI_ARCH_ARM
+#  undef OMNI_ARCH_64BIT
+#  undef OMNI_ARCH_32BIT
 
-#if defined(__i386__) || defined(_M_IX86)
-#define OMNI_ARCH_X86
-#define OMNI_ARCH_32BIT
-#endif
+#  if defined(__i386__) || defined(_M_IX86)
+#    define OMNI_ARCH_X86
+#    define OMNI_ARCH_32BIT
+#  endif
 
-#if defined(__x86_64__) || defined(_M_X64)
-#define OMNI_ARCH_X86
-#define OMNI_ARCH_64BIT
-#endif
+#  if defined(__x86_64__) || defined(_M_X64)
+#    define OMNI_ARCH_X86
+#    define OMNI_ARCH_64BIT
+#  endif
 
-#if defined(__arm__) || defined(_M_ARM)
-#define OMNI_ARCH_ARM
-#define OMNI_ARCH_32BIT
-#endif
+#  if defined(__arm__) || defined(_M_ARM)
+#    define OMNI_ARCH_ARM
+#    define OMNI_ARCH_32BIT
+#  endif
 
-#if defined(__aarch64__) || defined(_M_ARM64) || defined(__arm64__)
-#define OMNI_ARCH_ARM
-#define OMNI_ARCH_64BIT
-#endif
+#  if defined(__aarch64__) || defined(_M_ARM64) || defined(__arm64__)
+#    define OMNI_ARCH_ARM
+#    define OMNI_ARCH_64BIT
+#  endif
 
-#if !defined(OMNI_ARCH_X86) && !defined(OMNI_ARCH_ARM)
-#error "target architecture is not supported"
-#endif
+#  if !defined(OMNI_ARCH_X86) && !defined(OMNI_ARCH_ARM)
+#    error "target architecture is not supported"
+#  endif
 
 /*
  *
@@ -64,33 +63,64 @@
  *
  */
 
-#undef OMNI_OS_WIN
-#undef OMNI_OS_LINUX
-#undef OMNI_OS_FREEBSD
-#undef OMNI_OS_OSX
+#  undef OMNI_OS_WIN
+#  undef OMNI_OS_LINUX
+#  undef OMNI_OS_FREEBSD
+#  undef OMNI_OS_OSX
 
-#if defined(_WIN32) || defined(_WIN64)
-#define OMNI_OS_WIN
-#endif
+#  if defined(_WIN32) || defined(_WIN64)
+#    define OMNI_OS_WIN
+#  endif
 
-#if defined(__linux__)
-#define OMNI_OS_LINUX
-#define OMNI_OS_UNIX
-#endif
+#  if defined(__linux__)
+#    define OMNI_OS_LINUX
+#    define OMNI_OS_UNIX
+#  endif
 
-#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
-#define OMNI_OS_FREEBSD
-#define OMNI_OS_UNIX
-#endif
+#  if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
+#    define OMNI_OS_FREEBSD
+#    define OMNI_OS_UNIX
+#  endif
 
-#if defined(__APPLE__) && defined(__MACH__)
-#define OMNI_OS_OSX
-#define OMNI_OS_UNIX
-#endif
+#  if defined(__APPLE__) && defined(__MACH__)
+#    define OMNI_OS_OSX
+#    define OMNI_OS_UNIX
+#  endif
 
-#if !defined(OMNI_OS_UNIX) && !defined(OMNI_OS_WIN)
-#error "target os not supported"
-#endif
+#  if !defined(OMNI_OS_UNIX) && !defined(OMNI_OS_WIN)
+#    error "target os not supported"
+#  endif
 
-#endif
+/*
+ *
+ *
+ * CHECK COMPILER STANDARD
+ *
+ */
 
+#  undef OMNI_CXX_VER_MIN
+#  undef OMNI_CXX_VER
+#  undef OMNI_CC_VER
+
+#  define OMNI_CC_VER __STDC_VERSION__
+
+#  if defined(OMNI_CC_MSVC)
+#    if defined(_MSVC_LANG)
+#      define OMNI_CXX_VER _MSVC_LANG
+#    else
+#      define OMNI_CXX_VER 0
+#    endif
+#  endif
+
+#  if defined(OMNI_CC_GNU)
+#    if defined(__cplusplus)
+#      define OMNI_CXX_VER __cplusplus
+#    else
+#      define OMNI_CXX_VER 0
+#    endif
+#  endif
+
+#  define OMNI_CXX_VER_MIN 201103L
+#  if OMNI_CXX_VER_MIN > OMNI_CXX_VER
+#    error "atleast C++11 is required"
+#  endif
diff --git a/omni/stdint.h b/omni/stdint.h
index 088b584..aa953e8 100644
--- a/omni/stdint.h
+++ b/omni/stdint.h
@@ -18,17 +18,17 @@ typedef int64_t i64;
 typedef float f32;
 typedef double f64;
 
-#define U8_MAX UINT8_MAX
+#define U8_MAX  UINT8_MAX
 #define U16_MAX UINT16_MAX
 #define U32_MAX UINT32_MAX
 #define U64_MAX UINT64_MAX
 
-#define I8_MIN INT8_MIN
+#define I8_MIN  INT8_MIN
 #define I16_MIN INT16_MIN
 #define I32_MIN INT32_MIN
 #define I64_MIN INT64_MIN
 
-#define I8_MAX INT8_MAX
+#define I8_MAX  INT8_MAX
 #define I16_MAX INT16_MAX
 #define I32_MAX INT32_MAX
 #define I64_MAX INT64_MAX
@@ -37,22 +37,22 @@ typedef double f64;
 typedef u64 usize;
 typedef i64 isize;
 
-#define USIZE_MAX UINT64_MAX
+#  define USIZE_MAX UINT64_MAX
 
-#define ISIZE_MIN INT64_MIN
-#define ISIZE_MAX INT64_MAX
+#  define ISIZE_MIN INT64_MIN
+#  define ISIZE_MAX INT64_MAX
 
 #elif OMNI_ARCH_32BIT
 typedef u32 usize;
 typedef i32 isize;
 
-#define USIZE_MAX UINT32_MAX
+#  define USIZE_MAX UINT32_MAX
 
-#define ISIZE_MIN INT32_MIN
-#define ISIZE_MAX INT32_MAX
+#  define ISIZE_MIN INT32_MIN
+#  define ISIZE_MAX INT32_MAX
 
 #else
-#error "target is not supported"
+#  error "target is not supported"
 #endif
 
 #endif