[Pkg-gnupg-commit] [libassuan] 03/19: build: Use macOS' compatibility macros to enable all features.

[Eric Dorland]

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in repository libassuan.

commit b26b73d04bff10852382113ae361ea5726661510
Author: Justus Winter <justus at g10code.com>
Date:   Wed Mar 8 12:11:04 2017 +0100

    build: Use macOS' compatibility macros to enable all features.
    
    * configure.ac: On macOS, use the compatibility macros to expose every
    feature of the libc.  This is the equivalent of _GNU_SOURCE on GNU
    libc.
    --
    Not defining this leads to compilation errors or superfluous warnings
    on macOS.
    
    GnuPG-bug-id: 2910
    Signed-off-by: Justus Winter <justus at g10code.com>
---
 configure.ac | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index dc987f7..963a76b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -114,7 +114,8 @@ case "${host}" in
         ;;
     *-apple-darwin*)
         AC_DEFINE(_XOPEN_SOURCE, 500, Activate POSIX interface on MacOS X)
-        AC_DEFINE(_DARWIN_C_SOURCE, 1, Activate CMSG_LEN/CMSG_SPACE on MacOS X)
+        AC_DEFINE(_DARWIN_C_SOURCE, 900000L,
+                  Expose all libc features (__DARWIN_C_FULL))
         ;;
 esac
 

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