diff options
Diffstat (limited to 'configure')
-rwxr-xr-x | configure | 53 |
1 files changed, 53 insertions, 0 deletions
@@ -1156,6 +1156,53 @@ EOF fi fi +# +# Check for xxxat() functions when we are building linux-user +# emulator. This is done because older glibc versions don't +# have syscall stubs for these implemented. +# +atfile=no +if [ "$linux_user" = "yes" ] ; then + cat > $TMPC << EOF +#define _ATFILE_SOURCE +#include <sys/types.h> +#include <fcntl.h> +#include <unistd.h> + +int +main(void) +{ + /* try to unlink nonexisting file */ + return (unlinkat(AT_FDCWD, "nonexistent_file", 0)); +} +EOF + if $cc $ARCH_CFLAGS -o $TMPE $TMPC 2> /dev/null ; then + atfile=yes + fi +fi + +# Check for initofy functions when we are building linux-user +# emulator. This is done because older glibc versions don't +# have syscall stubs for these implemented. In that case we +# don't provide them even if kernel supports them. +# +inotify=no +if [ "$linux_user" = "yes" ] ; then + cat > $TMPC << EOF +#include <sys/inotify.h> + +int +main(void) +{ + /* try to start inotify */ + return inotify_init(void); +} +EOF + if $cc $ARCH_CFLAGS -o $TMPE $TMPC 2> /dev/null ; then + inotify=yes + fi +fi + # Check if tools are available to build documentation. if [ -x "`which texi2html 2>/dev/null`" ] && \ [ -x "`which pod2man 2>/dev/null`" ]; then @@ -1544,6 +1591,12 @@ if test "$curses" = "yes" ; then echo "CONFIG_CURSES=yes" >> $config_mak echo "CURSES_LIBS=-lcurses" >> $config_mak fi +if test "$atfile" = "yes" ; then + echo "#define CONFIG_ATFILE 1" >> $config_h +fi +if test "$inotify" = "yes" ; then + echo "#define CONFIG_INOTIFY 1" >> $config_h +fi if test "$brlapi" = "yes" ; then echo "CONFIG_BRLAPI=yes" >> $config_mak echo "#define CONFIG_BRLAPI 1" >> $config_h |