From 5f832714d383497618a9305a70d47a0da0922c6c Mon Sep 17 00:00:00 2001
From: Thomas Voss <mail@thomasvoss.com>
Date: Thu, 18 Jan 2024 09:07:55 +0100
Subject: Simplify code using libcompat

---
 make.c       |  5 +----
 src/compat.h | 26 ++++++++++++++++++++++++++
 src/grab.c   |  6 +-----
 3 files changed, 28 insertions(+), 9 deletions(-)
 create mode 100644 src/compat.h

diff --git a/make.c b/make.c
index 81b6134..7214fc2 100644
--- a/make.c
+++ b/make.c
@@ -1,12 +1,12 @@
 #include <errno.h>
 #include <limits.h>
-#include <stdbool.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
 
 #include "cbs.h"
+#include "src/compat.h"
 
 #define CC           "cc"
 #define CFLAGS       "-Wall", "-Wextra", "-Wpedantic", "-Werror", "-pipe"
@@ -85,9 +85,6 @@ main(int argc, char **argv)
 
 				cmdadd(&c, CC, CFLAGS);
 				cmdadd(&c, buf);
-#ifdef CBS_IS_C23
-				cmdadd(&c, "-DGRAB_IS_C23=1");
-#endif
 				if (pflag)
 					cmdadd(&c, "-DGRAB_DO_PCRE=1", "-lpcre2-posix");
 				if (debug)
diff --git a/src/compat.h b/src/compat.h
new file mode 100644
index 0000000..fedea6a
--- /dev/null
+++ b/src/compat.h
@@ -0,0 +1,26 @@
+/* This compatibility header was generated by the libcompat gen script.
+   You can find it over at https://git.sr.ht/~mango/libcompat. */
+
+#ifndef LIBCOMPAT_COMPAT_H
+#define LIBCOMPAT_COMPAT_H
+
+#if __STDC_VERSION__ >= 202311L
+#	define LIBCOMPAT_IS_23 1
+#endif
+
+#if !LIBCOMPAT_IS_23
+#	include <stdbool.h>
+#endif
+
+#if !LIBCOMPAT_IS_23
+#	ifndef NULL
+#		include <stddef.h>
+#	endif
+#	define nullptr NULL
+#endif
+
+#if !LIBCOMPAT_IS_23
+#	define static_assert(e, ...) _Static_assert(e, ""__VA_ARGS__)
+#endif
+
+#endif /* !LIBCOMPAT_COMPAT_H */
diff --git a/src/grab.c b/src/grab.c
index 8df2684..b005c4a 100644
--- a/src/grab.c
+++ b/src/grab.c
@@ -7,11 +7,6 @@
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
-#if !GRAB_IS_C23
-#	include <assert.h>
-#	include <stdbool.h>
-#	define nullptr NULL
-#endif
 
 #if GRAB_DO_PCRE
 #	include <pcre2posix.h>
@@ -22,6 +17,7 @@
 #	endif
 #endif
 
+#include "compat.h"
 #include "da.h"
 
 #define die(...)  err(EXIT_FAILURE, __VA_ARGS__);
-- 
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