Recent changes to SyntaxCheckHeader

SyntaxCheckHeader modified by Brad Lanam

Brad Lanam — Sat, 11 Jul 2026 13:06:33 -0000

--- v3
+++ v4
@@ -1,6 +1,6 @@
 [Wiki Home](Home) 
[Syntax](Syntax) 
[Checks](SyntaxCheck)

-### check_header
+### check\_header

 Checks if _header_ exists and can be compiled.

@@ -36,7 +36,7 @@

 * [alternate](SyntaxAttrAlternate)
 * [header](SyntaxAttrHeader)
 * [name](SyntaxAttrName)
-* [compiler_flags](SyntaxAttrCompileFlag)
+* [compiler\_flags](SyntaxAttrCompileFlag)

 [Wiki Home](Home) 
[Syntax](Syntax) 
[Checks](SyntaxCheck)

SyntaxCheckHeader modified by Brad Lanam

Brad Lanam — Thu, 09 Jul 2026 20:47:30 -0000

--- v2
+++ v3
@@ -1,17 +1,35 @@
 [Wiki Home](Home) 
[Syntax](Syntax) 
[Checks](SyntaxCheck)

-### Check Header
+### check_header

-Checks if _header_ exists as a macro.
+Checks if _header_ exists and can be compiled.


-    check_define ;
-    check_define  { <attribute-statements> }
+    check_header ;
+    check_header  { <attribute-statements> }
+
+On modern system this is generally not needed, as the following code can be used:
+
+    #if __has_include (<sys stat.h="">)
+    # include <sys stat.h="">
+    #endif

 Generated Name: Prefix: __\_header\___ 
Example: \_header\_sys\_stat

 ##### Examples

     check_header sys/stat.h;
+

+    check_header someheader.h {
+      alternate {
+        compiler_flags '-I/opt/include';
+      }
+      alternate {
+        compiler_flags '-I/usr/local/include';
+      }
+      alternate {
+        compiler_flags '-I/opt/homebrew/include';
+      }
+    }

 ##### Attributes

</sys></sys></attribute-statements>
</attribute-statements>

SyntaxCheckHeader modified by Brad Lanam

Brad Lanam — Sun, 05 Jul 2026 13:54:42 -0000

--- v1
+++ v2
@@ -15,6 +15,7 @@

 ##### Attributes

+* [alternate](SyntaxAttrAlternate)

 * [header](SyntaxAttrHeader)
 * [name](SyntaxAttrName)
 * [compiler_flags](SyntaxAttrCompileFlag)

SyntaxCheckHeader modified by Brad Lanam

Brad Lanam — Sat, 04 Jul 2026 13:44:42 -0000

Wiki Home
Syntax
Checks

Check Header

Checks if header exists as a macro.

check_define <header>;
check_define <header> { <attribute-statements> }

Generated Name: Prefix: _header_
Example: _header_sys_stat

Examples

check_header sys/stat.h;

Attributes

Wiki Home
Syntax
Checks