FreeBSD, unlike (whatever OS the default -D are trying to fix),
defines every symbol by default; conformance defines are supposed to
restrict FreeBSD's definitions to only the requested specification.
Undeffing the flags prevents them from disabling __BSD_VISIBLE, which
is only defined when no conformance flags are defined. It should not be
defined by the user.
---
configure | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/configure b/configure
index 2b5aeab..1b3c0e2 100755
--- a/configure
+++ b/configure
@@ -2379,6 +2379,7 @@ case $target_os in
;;
freebsd)
enable malloc_aligned
+ add_cppflags -U_ISOC99_SOURCE -U_POSIX_C_SOURCE
;;
bsd/os)
add_extralibs -lpoll -lgnugetopt
--
1.7.4.5
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