about summary refs log tree commit diff
path: root/sysdeps
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/unix/sysv/linux/configure24
1 files changed, 24 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/configure b/sysdeps/unix/sysv/linux/configure
index 79dbf16912..a8780df917 100644
--- a/sysdeps/unix/sysv/linux/configure
+++ b/sysdeps/unix/sysv/linux/configure
@@ -98,3 +98,27 @@ fi
 if test -f $srcdir/elf/ldconfig.c; then
   has_ldconfig=yes
 fi
+
+# Generate stdio_lim.h
+default_fopen_max="`${CC-gcc} -E $srcdir/sysdeps/unix/sysv/linux/mk-stdiolim.c | grep DEFAULT_FOPEN_MAX | cut -f2 -d':'`"
+default_filename_max="`${CC-gcc} -E $srcdir/sysdeps/unix/sysv/linux/mk-stdiolim.c | grep DEFAULT_FILENAME_MAX | cut -f2 -d':'`"
+# We double check if "default_fopen_max" and "default_filename_max" are
+# ok or not.
+if test "x$default_fopen_max" != "xOPEN_MAX" \
+	-a "x$default_filename_max" != "xPATH_MAX"
+then
+  sed -e "s/DEFAULT_FOPEN_MAX/$default_fopen_max/" \
+	-e "s/DEFAULT_FILENAME_MAX/$default_filename_max/" \
+	$srcdir/sysdeps/unix/sysv/linux/stdio_lim.h.in > stdio_lim.h.new
+  if test -r stdio_lim.h.new && cmp -s stdio_lim.h.new stdio_lim.h
+  then
+    echo stdio_lim.h unchanged
+    rm -f stdio_lim.h.new
+  else
+    mv -f stdio_lim.h.new stdio_lim.h
+  fi
+else
+  # We remove the old one if we cannot generate the new one during
+  # configure.
+  rm -f stdio_lim.h
+fi