From: Sebastian Harl <sh@tokkee.org>
Date: Sun, 23 Feb 2014 20:38:36 +0000 (-0800)
Subject: configure: Include _BSD_SOURCE in standards related defines.
X-Git-Tag: sysdb-0.1.0~179
X-Git-Url: https://git.tokkee.org/?p=sysdb.git;a=commitdiff_plain;h=cb62073c4a4b514f2144d73f8197d9dff357cece

configure: Include _BSD_SOURCE in standards related defines.

Else, GNU libc does not define strcasecmp() even though it conforms to
POSIX.1-2001.
---

diff --git a/configure.ac b/configure.ac
index 5cae366..a5226d2 100644
--- a/configure.ac
+++ b/configure.ac
@@ -101,6 +101,11 @@ if test "x$enable_standards" = "xyes"; then
 	AC_DEFINE([_THREAD_SAFE], 1,
 			[Define to enable reentrant interfaces.])
 
+	dnl GNU libc defines strcasecmp() only when using _BSD_SOURCE even though
+	dnl the function is conforming to POSIX.1-2001 as well. Let's weaken
+	dnl strict standards compliance a bit to work around this.
+	AC_DEFINE([_BSD_SOURCE], 1, [Define to enable 4.3BSD support.])
+
 	for flag in -std=c99 -pedantic; do
 		AC_MSG_CHECKING([whether $CC accepts $flag])