Release v3.8.0

- Add NOB_CLIT()
- Fix compliation on MSVC with /TP

Author: rexim

.github/workflows/nob.yaml

@@ -38,6 +38,9 @@ jobs:
           ${{ matrix.cc }} -x ${{ matrix.lang }} -o nob nob.c
           ./nob
   windows:
+    strategy:
+      matrix:
+        mode: ["/TC", "/std:c++20 /TP"]
     runs-on: windows-latest
     steps:
       - name: Clone GIT repo
@@ -50,12 +53,12 @@ jobs:
         # https://learn.microsoft.com/en-us/cpp/build/building-on-the-command-line?view=msvc-170#create-your-own-command-prompt-shortcut
         run: |
           call "C:\\Program Files\\Microsoft Visual Studio\\2022\\Enterprise\\VC\\Auxiliary\\Build\\vcvars64.bat"
-          cl.exe /Fe:nob nob.c
+          cl.exe ${{ matrix.mode }} /Fe:nob nob.c
           nob.exe
       - name: Build how_to-s
         shell: cmd
         run: |
           call "C:\\Program Files\\Microsoft Visual Studio\\2022\\Enterprise\\VC\\Auxiliary\\Build\\vcvars64.bat"
           cd how_to/
-          cl.exe /Fe:nob nob.c
+          cl.exe ${{ matrix.mode }} /Fe:nob nob.c
           nob.exe

how_to/001_basic_usage/.gitignore

@@ -1,3 +1,4 @@
 nob
 nob.old
-build/
+build/
+*.obj

nob.c

@@ -162,6 +162,16 @@ void print_available_commands(Commands commands)
     }
 }
 
+#if defined(_WIN32) && defined(_MSC_VER) && defined(__cplusplus)
+// TODO: I don't know why, but when you compile nob.c with
+// cl.exe /std:c++20 /TP nob.c
+// It just can't find the declaration of SetConsoleOutputCP().
+// This is probably something about how we include windows.h in nob.h
+extern "C" {
+    WINBASEAPI BOOL WINAPI SetConsoleOutputCP(_In_ UINT wCodePageID);
+}
+#endif
+
 int main(int argc, char **argv)
 {
 #ifdef _WIN32
@@ -172,8 +182,6 @@ int main(int argc, char **argv)
 
     set_log_handler(cancer_log_handler);
 
-    Cmd cmd = {0};
-
     const char *program_name = shift(argv, argc);
     const char *command_name = "test";
     if (argc > 0) command_name = shift(argv, argc);

nob.h

@@ -1,4 +1,4 @@
-/* nob - v3.7.0 - Public Domain - https://github.com/tsoding/nob.h
+/* nob - v3.8.0 - Public Domain - https://github.com/tsoding/nob.h
 
    This library is the next generation of the [NoBuild](https://github.com/tsoding/nobuild) idea.
 
@@ -303,7 +303,7 @@ typedef struct {
 
 NOBDEF bool nob_walk_dir_opt(const char *root, Nob_Walk_Func func, Nob_Walk_Dir_Opt);
 
-#define nob_walk_dir(root, func, ...) nob_walk_dir_opt((root), (func), (Nob_Walk_Dir_Opt){__VA_ARGS__})
+#define nob_walk_dir(root, func, ...) nob_walk_dir_opt((root), (func), NOB_CLIT(Nob_Walk_Dir_Opt){__VA_ARGS__})
 
 typedef struct {
     char *name;
@@ -585,14 +585,14 @@ typedef struct {
 typedef struct {
     const char *stdin_path;
 } Nob_Chain_Begin_Opt;
-#define nob_chain_begin(chain, ...) nob_chain_begin_opt((chain), (Nob_Chain_Begin_Opt) { __VA_ARGS__ })
+#define nob_chain_begin(chain, ...) nob_chain_begin_opt((chain), NOB_CLIT(Nob_Chain_Begin_Opt) { __VA_ARGS__ })
 NOBDEF bool nob_chain_begin_opt(Nob_Chain *chain, Nob_Chain_Begin_Opt opt);
 
 typedef struct {
     bool err2out;
     bool dont_reset;
 } Nob_Chain_Cmd_Opt;
-#define nob_chain_cmd(chain, cmd, ...) nob_chain_cmd_opt((chain), (cmd), (Nob_Chain_Cmd_Opt) { __VA_ARGS__ })
+#define nob_chain_cmd(chain, cmd, ...) nob_chain_cmd_opt((chain), (cmd), NOB_CLIT(Nob_Chain_Cmd_Opt) { __VA_ARGS__ })
 NOBDEF bool nob_chain_cmd_opt(Nob_Chain *chain, Nob_Cmd *cmd, Nob_Chain_Cmd_Opt opt);
 
 typedef struct {
@@ -601,7 +601,7 @@ typedef struct {
     const char *stdout_path;
     const char *stderr_path;
 } Nob_Chain_End_Opt;
-#define nob_chain_end(chain, ...) nob_chain_end_opt((chain), (Nob_Chain_End_Opt) { __VA_ARGS__ })
+#define nob_chain_end(chain, ...) nob_chain_end_opt((chain), NOB_CLIT(Nob_Chain_End_Opt) { __VA_ARGS__ })
 NOBDEF bool nob_chain_end_opt(Nob_Chain *chain, Nob_Chain_End_Opt opt);
 
 // Get amount of processors on the machine.
@@ -614,7 +614,7 @@ NOBDEF uint64_t nob_nanos_since_unspecified_epoch(void);
 
 // Same as nob_cmd_run_opt but using cool variadic macro to set the default options.
 // See https://x.com/vkrajacic/status/1749816169736073295 for more info on how to use such macros.
-#define nob_cmd_run(cmd, ...) nob_cmd_run_opt((cmd), (Nob_Cmd_Opt){__VA_ARGS__})
+#define nob_cmd_run(cmd, ...) nob_cmd_run_opt((cmd), NOB_CLIT(Nob_Cmd_Opt){__VA_ARGS__})
 
 // DEPRECATED:
 //
@@ -651,9 +651,16 @@ typedef struct {
 // use it as a C string.
 NOBDEF void nob_cmd_render(Nob_Cmd cmd, Nob_String_Builder *render);
 
-NOBDEF void nob__cmd_append(Nob_Cmd *cmd, size_t n, ...);
+// Compound Literal
+#if defined(__cplusplus)
+    #define NOB_CLIT(type) type
+#else
+    #define NOB_CLIT(type) (type)
+#endif
+
+NOBDEF void nob__cmd_append(Nob_Cmd *cmd, ...);
 #define nob_cmd_append(cmd, ...) \
-    nob__cmd_append(cmd, (sizeof((const char*[]){__VA_ARGS__})/sizeof(const char*)), __VA_ARGS__)
+    nob__cmd_append(cmd, __VA_ARGS__, (const char*)-1)
 
 // TODO: nob_cmd_extend() evaluates other_cmd twice
 // It can be fixed by turning nob_cmd_extend() call into a statement.
@@ -950,12 +957,13 @@ static Nob_Proc nob__cmd_start_process(Nob_Cmd cmd, Nob_Fd *fdin, Nob_Fd *fdout,
 // Any messages with the level below nob_minimal_log_level are going to be suppressed.
 Nob_Log_Level nob_minimal_log_level = NOB_INFO;
 
-NOBDEF void nob__cmd_append(Nob_Cmd *cmd, size_t n, ...)
+NOBDEF void nob__cmd_append(Nob_Cmd *cmd, ...)
 {
     va_list args;
-    va_start(args, n);
-    for (size_t i = 0; i < n; ++i) {
+    va_start(args, cmd);
+    for (;;) {
         const char *arg = va_arg(args, const char *);
+        if (arg == (const char*)-1) break;
         nob_da_append(cmd, arg);
     }
     va_end(args);
@@ -2020,7 +2028,7 @@ bool nob__walk_dir_opt_impl(Nob_String_Builder *file_path, Nob_Walk_Func func, s
 
     // Pre-order walking
     if (!opt.post_order) {
-        if (!func((Nob_Walk_Entry) {
+        if (!func(NOB_CLIT(Nob_Walk_Entry) {
             .path = file_path->items,
             .type = file_type,
             .level = level,
@@ -2067,7 +2075,7 @@ bool nob__walk_dir_opt_impl(Nob_String_Builder *file_path, Nob_Walk_Func func, s
 
     // Post-order walking
     if (opt.post_order) {
-        if (!func((Nob_Walk_Entry) {
+        if (!func(NOB_CLIT(Nob_Walk_Entry) {
             .path = file_path->items,
             .type = file_type,
             .level = level,
@@ -2159,7 +2167,7 @@ NOBDEF Nob_File_Type nob_get_file_type(const char *path)
     DWORD attr = GetFileAttributesA(path);
     if (attr == INVALID_FILE_ATTRIBUTES) {
         nob_log(NOB_ERROR, "Could not get file attributes of %s: %s", path, nob_win32_error_message(GetLastError()));
-        return -1;
+        return (Nob_File_Type)-1;
     }
 
     if (attr & FILE_ATTRIBUTE_DIRECTORY) return NOB_FILE_DIRECTORY;
@@ -2754,8 +2762,8 @@ NOBDEF char *nob_temp_dir_name(const char *path)
     return nob_temp_strndup(path, i + 1);
 #else
     if (!path) path = ""; // Treating NULL as empty.
-    char *drive = nob_temp_alloc(_MAX_DRIVE);
-    char *dir   = nob_temp_alloc(_MAX_DIR);
+    char *drive = (char*) nob_temp_alloc(_MAX_DRIVE);
+    char *dir   = (char*) nob_temp_alloc(_MAX_DIR);
     // https://learn.microsoft.com/en-us/previous-versions/visualstudio/visual-studio-2010/8e46eyt7(v=vs.100)
     errno_t ret = _splitpath_s(path, drive, _MAX_DRIVE, dir, _MAX_DIR, NULL, 0, NULL, 0);
     NOB_ASSERT(ret == 0);
@@ -2777,8 +2785,8 @@ NOBDEF char *nob_temp_file_name(const char *path)
     return s+i;
 #else
     if (!path) path = ""; // Treating NULL as empty.
-    char *fname = nob_temp_alloc(_MAX_FNAME);
-    char *ext = nob_temp_alloc(_MAX_EXT);
+    char *fname = (char*)nob_temp_alloc(_MAX_FNAME);
+    char *ext   = (char*)nob_temp_alloc(_MAX_EXT);
     // https://learn.microsoft.com/en-us/previous-versions/visualstudio/visual-studio-2010/8e46eyt7(v=vs.100)
     errno_t ret = _splitpath_s(path, NULL, 0, NULL, 0, fname, _MAX_FNAME, ext, _MAX_EXT);
     NOB_ASSERT(ret == 0);
@@ -2792,7 +2800,7 @@ NOBDEF char *nob_temp_file_ext(const char *path)
     return strrchr(nob_temp_file_name(path), '.');
 #else
     if (!path) path = ""; // Treating NULL as empty.
-    char *ext = nob_temp_alloc(_MAX_EXT);
+    char *ext = (char*)nob_temp_alloc(_MAX_EXT);
     // https://learn.microsoft.com/en-us/previous-versions/visualstudio/visual-studio-2010/8e46eyt7(v=vs.100)
     errno_t ret = _splitpath_s(path, NULL, 0, NULL, 0, NULL, 0, ext, _MAX_EXT);
     NOB_ASSERT(ret == 0);
@@ -2946,6 +2954,7 @@ NOBDEF char *nob_temp_running_executable_path(void)
         #define procs_wait_and_reset nob_procs_wait_and_reset
         #define procs_append_with_flush nob_procs_append_with_flush
         #define procs_flush nob_procs_flush
+        #define CLIT NOB_CLIT
         #define Cmd Nob_Cmd
         #define Cmd_Redirect Nob_Cmd_Redirect
         #define Cmd_Opt Nob_Cmd_Opt
@@ -3012,6 +3021,8 @@ NOBDEF char *nob_temp_running_executable_path(void)
 /*
    Revision history:
 
+      3.8.0 (2026-03-24) Add NOB_CLIT()
+                         Fix compliation on MSVC with /TP
       3.7.0 (2026-03-20) Add nob_sb_append_sv()
       3.6.0 (2026-03-16) Add nob_sv_chop_suffix()
                          Deprecate nob_sv_end_with()

shared.h

@@ -12,7 +12,7 @@
 
 #if defined(__cplusplus)
     #if defined(_MSC_VER)
-        #define nob_cc_flags(cmd) cmd_append(cmd, "/TP", "/W4", "/nologo", "/D_CRT_SECURE_NO_WARNINGS", "-I.")
+        #define nob_cc_flags(cmd) cmd_append(cmd, "/std:c++20", "/TP", "/W4", "/nologo", "/D_CRT_SECURE_NO_WARNINGS", "-I.")
     #else
         #define nob_cc(cmd) cmd_append(cmd, "cc", "-x", "c++")
         #define nob_cc_flags(cmd) cmd_append(cmd, "-Wall", "-Wextra", "-Wno-missing-field-initializers", "-Wswitch-enum", "-ggdb", "-I.");

tasks/20260317-165339/TASK.md

@@ -1,6 +1,6 @@
 # MSVC C++ was never tried
 
-- STATUS: OPEN
+- STATUS: CLOSED
 - PRIORITY: 100
 - TAGS: bug,msvc