In -std=c99 mode GCC defines __STRICT_ANSI__ to hide non-ANSI interfaces.
This causes declarations for some POSIX functions to be omitted from system
headers, which causes compilation failures.
---
configure | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/configure b/configure
index d6a5d69..b013a6e 100755
--- a/configure
+++ b/configure
@@ -2450,11 +2450,13 @@ case $target_os in
objformat="win32"
enable dos_paths
check_cflags -fno-common
+ add_cppflags -U__STRICT_ANSI__
;;
*-dos|freedos|opendos)
network_extralibs="-lsocket"
objformat="coff"
enable dos_paths
+ add_cppflags -U__STRICT_ANSI__
;;
linux)
add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
--
1.7.1
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