Recent changes to SyntaxAttrAlternate

SyntaxAttrAlternate modified by Brad Lanam

Brad Lanam — Mon, 13 Jul 2026 19:31:07 -0000

--- v3
+++ v4
@@ -2,7 +2,7 @@

 ### alternate (attribute)

-The __alternate__ attribute allows a check to test with different compiler flags, link flags and headers.
+The __alternate__ attribute allows a [check](SyntaxCheck) to test with different compiler flags, link flags and headers.

     alternate { <attribute-statements> }

</attribute-statements>

SyntaxAttrAlternate modified by Brad Lanam

Brad Lanam — Thu, 09 Jul 2026 20:47:25 -0000

--- v2
+++ v3
@@ -1,6 +1,6 @@
 [Wiki Home](Home) 
[Syntax](Syntax)

-### Syntax: alternate (attribute)
+### alternate (attribute)

 The __alternate__ attribute allows a check to test with different compiler flags, link flags and headers.

SyntaxAttrAlternate modified by Brad Lanam

Brad Lanam — Sun, 05 Jul 2026 13:54:39 -0000

--- v1
+++ v2
@@ -19,7 +19,7 @@
         header sys/vfs.h;
       }
       alternate {

-        # macos
+        # macos, freebsd
         name _header_sys_mount;
         header sys/mount.h;
       }

SyntaxAttrAlternate modified by Brad Lanam

Brad Lanam — Sun, 05 Jul 2026 13:32:13 -0000

Wiki Home
Syntax

Syntax: alternate (attribute)

The alternate attribute allows a check to test with different compiler flags, link flags and headers.

alternate { <attribute-statements> }

The alternate attribute is used with a check statement.

Repeatable: yes

Examples

check_function statfs {
  alternate {
    # linux
    name _header_sys_vfs;
    header sys/vfs.h;
  }
  alternate {
    # macos
    name _header_sys_mount;
    header sys/mount.h;
  }
}

Wiki Home
Syntax