@@ -778,6 +778,20 @@ check_foo_config(){

     return $err

 }

+check_host_cc(){

+    log check_host_cc "$@"

+    cat > $TMPC

+    log_file $TMPC

+    check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC

+}

+

+check_host_cflags(){

+    log check_host_cflags "$@"

+    check_host_cc "$@" <<EOF && append host_cflags "$@"

+int x;

+EOF

+}

+

 apply(){

     file=$1

     shift

@@ -1312,7 +1326,7 @@ LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'

 CC_O='-o $@'

-host_cflags='-O3 -g -Wall'

+host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'

 host_libs='-lm'

 target_path='.'

@@ -1765,6 +1779,8 @@ check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE

 #include <stdlib.h>

 EOF

+check_host_cflags -std=c99

+

 case "$arch" in

     alpha)

         arch="alpha"