From a00571abd3f0cba014aa8b942b5b242df1ff24de Mon Sep 17 00:00:00 2001
From: Bruce Hill <bruce@bruce-hill.com>
Date: Mon, 18 Aug 2025 19:28:19 -0400
Subject: Fix some compatibility issues, including #embed and `alignof` and
 some Makefile comment parsing issues.

---
 .gitignore            |  2 ++
 Makefile              |  7 +++++--
 src/naming.c          |  2 +-
 src/stdlib/pointers.h |  2 +-
 src/tomo.c            | 10 +++-------
 5 files changed, 12 insertions(+), 11 deletions(-)

diff --git a/.gitignore b/.gitignore
index c1cb5b41..71fa5258 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,6 +11,8 @@
 /lib/*/*.so
 /lib/*/*.a
 
+/src/changes.md.h
+
 .build
 /build/bin
 /build/lib
diff --git a/Makefile b/Makefile
index 27318e7e..bc8a056c 100644
--- a/Makefile
+++ b/Makefile
@@ -67,7 +67,7 @@ OSFLAGS != case $(OS) in *BSD|Darwin) echo '-D_BSD_SOURCE';; Linux) echo '-D_GNU
 EXTRA=
 G=-ggdb
 O=-O3
-TOMO_VERSION=$(shell awk '/^## / {print $$2; exit}' CHANGES.md)
+TOMO_VERSION=$(shell awk '/^\#\# / {print $$2; exit}' CHANGES.md)
 GIT_VERSION=$(shell git log -1 --pretty=format:"%as_%h")
 CFLAGS=$(CCONFIG) $(INCLUDE_DIRS) $(EXTRA) $(CWARN) $(G) $(O) $(OSFLAGS) $(LTO) \
 	   -DTOMO_PREFIX='"$(PREFIX)"' -DSUDO='"$(SUDO)"' -DDEFAULT_C_COMPILER='"$(DEFAULT_C_COMPILER)"' \
@@ -141,10 +141,13 @@ config.mk: configure.sh
 	@$(CC) $(CFLAGS) -c $< -o $@
 
 # Specifically src/tomo.c needs to recompile if CHANGES.md changes:
-src/tomo.o: src/tomo.c src/ast.h src/environment.h src/types.h config.mk CHANGES.md
+src/tomo.o: src/tomo.c src/ast.h src/environment.h src/types.h config.mk src/changes.md.h
 	@echo $(CC) $(CFLAGS_PLACEHOLDER) -c $< -o $@
 	@$(CC) $(CFLAGS) -c $< -o $@
 
+src/changes.md.h: CHANGES.md
+	xxd -i $< > $@
+
 %: %.tm
 	./local-tomo -e $<
 
diff --git a/src/naming.c b/src/naming.c
index abe87569..ba5098fd 100644
--- a/src/naming.c
+++ b/src/naming.c
@@ -12,7 +12,7 @@
 static const char *c_keywords[] = { // Maintain sorted order:
     "_Alignas", "_Alignof", "_Atomic", "_BitInt", "_Bool", "_Complex", "_Decimal128", "_Decimal32", "_Decimal64", "_Generic",
     "_Imaginary", "_Noreturn", "_Static_assert", "_Thread_local",
-    "alignas", "alignof", "auto", "bool", "break", "case", "char", "const", "constexpr", "continue", "default", "do", "double",
+    "alignas", "__alignof__", "auto", "bool", "break", "case", "char", "const", "constexpr", "continue", "default", "do", "double",
     "else", "enum", "extern", "false", "float", "for", "goto", "if", "inline", "int", "long", "nullptr", "register", "restrict",
     "return", "short", "signed", "sizeof", "static", "static_assert", "struct", "switch", "thread_local", "true", "typedef",
     "typeof", "typeof_unqual", "union", "unsigned", "void", "volatile", "while",
diff --git a/src/stdlib/pointers.h b/src/stdlib/pointers.h
index b818452e..001dc5ce 100644
--- a/src/stdlib/pointers.h
+++ b/src/stdlib/pointers.h
@@ -18,7 +18,7 @@ void Pointer$deserialize(FILE *in, void *outval, List_t *pointers, const TypeInf
 
 #define Null(t) (t*)NULL
 #define POINTER_TYPE(_sigil, _pointed) (&(TypeInfo_t){\
-    .size=sizeof(void*), .align=alignof(void*), .tag=PointerInfo, .PointerInfo.sigil=_sigil, .PointerInfo.pointed=_pointed})
+    .size=sizeof(void*), .align=__alignof__(void*), .tag=PointerInfo, .PointerInfo.sigil=_sigil, .PointerInfo.pointed=_pointed})
 
 #define Pointer$metamethods { \
     .as_text=Pointer$as_text, \
diff --git a/src/tomo.c b/src/tomo.c
index e8012f9e..4cad76a0 100644
--- a/src/tomo.c
+++ b/src/tomo.c
@@ -13,6 +13,7 @@
 #endif
 
 #include "ast.h"
+#include "changes.md.h"
 #include "compile.h"
 #include "modules.h"
 #include "naming.h"
@@ -97,11 +98,6 @@ static Text_t config_summary,
               // of that directory.
               as_owner = Text("");
 
-static const char changelog[] = {
-#embed "../CHANGES.md"
-    , 0
-};
-
 static void transpile_header(env_t *base_env, Path_t path);
 static void transpile_code(env_t *base_env, Path_t path);
 static void compile_object_file(Path_t path);
@@ -230,7 +226,7 @@ int main(int argc, char *argv[])
     }
 
     if (show_changelog) {
-        print_inline(changelog);
+        print_inline(string_slice(CHANGES_md, CHANGES_md_len));
         return 0;
     }
 
@@ -693,7 +689,7 @@ void build_file_dependency_graph(Path_t path, Table_t *to_compile, Table_t *to_l
 time_t latest_included_modification_time(Path_t path)
 {
     static Table_t c_modification_times = {};
-    const TypeInfo_t time_info = {.size=sizeof(time_t), .align=alignof(time_t), .tag=OpaqueInfo};
+    const TypeInfo_t time_info = {.size=sizeof(time_t), .align=__alignof__(time_t), .tag=OpaqueInfo};
     time_t *cached_latest = Table$get(c_modification_times, &path, Table$info(&Path$info, &time_info));
     if (cached_latest) return *cached_latest;
 
-- 
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