Merge pull request #3108 from Kelimion/subsystem

Add WINDOWS_SUBSYSTEM constant

1 files changed, 48 insertions, 19 deletions

diff --git a/src/build_settings.cpp b/src/build_settings.cpp
index 1f57b5625..af518bcb4 100644
--- a/src/build_settings.cpp
+++ b/src/build_settings.cpp
@@ -56,6 +56,19 @@ enum TargetABIKind : u16 {
 	TargetABI_COUNT,
 };
 
+enum Windows_Subsystem : u8 {
+ 	Windows_Subsystem_BOOT_APPLICATION,
+	Windows_Subsystem_CONSOLE,                 // Default,
+	Windows_Subsystem_EFI_APPLICATION,
+	Windows_Subsystem_EFI_BOOT_SERVICE_DRIVER,
+	Windows_Subsystem_EFI_ROM,
+	Windows_Subsystem_EFI_RUNTIME_DRIVER,
+	Windows_Subsystem_NATIVE,
+	Windows_Subsystem_POSIX,
+	Windows_Subsystem_WINDOWS,
+	Windows_Subsystem_WINDOWSCE,
+	Windows_Subsystem_COUNT,
+};
 
 gb_global String target_os_names[TargetOs_COUNT] = {
 	str_lit(""),
@@ -120,6 +133,19 @@ gb_global TargetEndianKind target_endians[TargetArch_COUNT] = {
 	TargetEndian_Little,
 };
 
+gb_global String windows_subsystem_names[Windows_Subsystem_COUNT] = {
+	str_lit("BOOT_APPLICATION"),
+	str_lit("CONSOLE"),                 // Default
+	str_lit("EFI_APPLICATION"),
+	str_lit("EFI_BOOT_SERVICE_DRIVER"),
+	str_lit("EFI_ROM"),
+	str_lit("EFI_RUNTIME_DRIVER"),
+	str_lit("NATIVE"),
+	str_lit("POSIX"),
+	str_lit("WINDOWS"),
+	str_lit("WINDOWSCE"),
+};
+
 #ifndef ODIN_VERSION_RAW
 #define ODIN_VERSION_RAW "dev-unknown-unknown"
 #endif
@@ -287,14 +313,15 @@ enum SanitizerFlags : u32 {
 // This stores the information for the specify architecture of this build
 struct BuildContext {
 	// Constants
-	String ODIN_OS;      // target operating system
-	String ODIN_ARCH;    // target architecture
-	String ODIN_VENDOR;  // compiler vendor
-	String ODIN_VERSION; // compiler version
-	String ODIN_ROOT;    // Odin ROOT
-	String ODIN_BUILD_PROJECT_NAME; // Odin main/initial package's directory name
-	bool   ODIN_DEBUG;   // Odin in debug mode
-	bool   ODIN_DISABLE_ASSERT; // Whether the default 'assert' et al is disabled in code or not
+	String ODIN_OS;                       // Target operating system
+	String ODIN_ARCH;                     // Target architecture
+	String ODIN_VENDOR;                   // Compiler vendor
+	String ODIN_VERSION;                  // Compiler version
+	String ODIN_ROOT;                     // Odin ROOT
+	String ODIN_BUILD_PROJECT_NAME;       // Odin main/initial package's directory name
+	String ODIN_WINDOWS_SUBSYSTEM;        // Empty string for non-Windows targets
+	bool   ODIN_DEBUG;                    // Odin in debug mode
+	bool   ODIN_DISABLE_ASSERT;           // Whether the default 'assert' et al is disabled in code or not
 	bool   ODIN_DEFAULT_TO_NIL_ALLOCATOR; // Whether the default allocator is a "nil" allocator or not (i.e. it does nothing)
 	bool   ODIN_FOREIGN_ERROR_PROCEDURES;
 	bool   ODIN_VALGRIND_SUPPORT;
@@ -367,7 +394,6 @@ struct BuildContext {
 	bool   ignore_lazy;
 	bool   ignore_llvm_build;
 
-	bool   use_subsystem_windows;
 	bool   ignore_microsoft_magic;
 	bool   linker_map_file;
 
@@ -1282,8 +1308,6 @@ gb_internal void init_build_context(TargetMetrics *cross_target, Subtarget subta
 		GB_ASSERT(metrics->int_size == 2*metrics->ptr_size);
 	}
 
-
-
 	bc->metrics = *metrics;
 	switch (subtarget) {
 	case Subtarget_Default:
@@ -1300,14 +1324,14 @@ gb_internal void init_build_context(TargetMetrics *cross_target, Subtarget subta
 		break;
 	}
 
-	bc->ODIN_OS        = target_os_names[metrics->os];
-	bc->ODIN_ARCH      = target_arch_names[metrics->arch];
-	bc->endian_kind    = target_endians[metrics->arch];
-	bc->ptr_size       = metrics->ptr_size;
-	bc->int_size       = metrics->int_size;
-	bc->max_align      = metrics->max_align;
-	bc->max_simd_align = metrics->max_simd_align;
-	bc->link_flags  = str_lit(" ");
+	bc->ODIN_OS           = target_os_names[metrics->os];
+	bc->ODIN_ARCH         = target_arch_names[metrics->arch];
+	bc->endian_kind       = target_endians[metrics->arch];
+	bc->ptr_size          = metrics->ptr_size;
+	bc->int_size          = metrics->int_size;
+	bc->max_align         = metrics->max_align;
+	bc->max_simd_align    = metrics->max_simd_align;
+	bc->link_flags        = str_lit(" ");
 
 	#if defined(DEFAULT_TO_THREADED_CHECKER)
 	bc->threaded_checker = true;
@@ -1329,6 +1353,11 @@ gb_internal void init_build_context(TargetMetrics *cross_target, Subtarget subta
 		}
 	}
 
+	// Default to subsystem:CONSOLE on Windows targets
+	if (bc->ODIN_WINDOWS_SUBSYSTEM == "" && bc->metrics.os == TargetOs_windows) {
+		bc->ODIN_WINDOWS_SUBSYSTEM = windows_subsystem_names[Windows_Subsystem_CONSOLE];
+	}
+
 	// NOTE(zangent): The linker flags to set the build architecture are different
 	// across OSs. It doesn't make sense to allocate extra data on the heap
 	// here, so I just #defined the linker flags to keep things concise.