From 563670ff4bb6c50a91aa31427078515a85a92ce3 Mon Sep 17 00:00:00 2001
From: Laurent Bercot <ska-skaware@skarnet.org>
Date: Mon, 14 Dec 2020 13:30:20 +0000
Subject:  Add chroot sysdep, fix endianness sysdep string in .h

---
 configure               |  1 +
 src/sysdeps/trychroot.c | 20 ++++++++++++++++++++
 tools/gen-sysdepsh.sh   |  2 +-
 3 files changed, 22 insertions(+), 1 deletion(-)
 create mode 100644 src/sysdeps/trychroot.c

diff --git a/configure b/configure
index dec5e15..0376555 100755
--- a/configure
+++ b/configure
@@ -636,6 +636,7 @@ choose cl namespaces 'namespaces'
 choose cl nsgetparent 'NS_GET_PARENT'
 choose cl explicit_bzero 'explicit_bzero()'
 choose cl getrandom 'getrandom()'
+choose cl chroot 'chroot()'
 
 # Here are the evil irreducible run-time sysdeps.
 choose clr devurandom '/dev/urandom'
diff --git a/src/sysdeps/trychroot.c b/src/sysdeps/trychroot.c
new file mode 100644
index 0000000..42d8872
--- /dev/null
+++ b/src/sysdeps/trychroot.c
@@ -0,0 +1,20 @@
+/* ISC license. */
+
+#undef _POSIX_C_SOURCE
+#undef _XOPEN_SOURCE
+
+#ifndef _BSD_SOURCE
+#define _BSD_SOURCE
+#endif
+
+#ifndef _DEFAULT_SOURCE
+#define _DEFAULT_SOURCE
+#endif
+
+#include <unistd.h>
+
+int main (void)
+{
+  if (chroot("/") < 0) return 1 ;
+  return 0 ;
+}
diff --git a/tools/gen-sysdepsh.sh b/tools/gen-sysdepsh.sh
index fc9ccbd..8373f8f 100755
--- a/tools/gen-sysdepsh.sh
+++ b/tools/gen-sysdepsh.sh
@@ -26,7 +26,7 @@ while read k v ; do
     echo "#define SKALIBS_$k $v"
   elif test ${k} = ENDIANNESS ; then
     echo '#undef SKALIBS_ENDIANNESS'
-    echo "#define SKALIBS_ENDIANNESS $v"
+    echo "#define SKALIBS_ENDIANNESS \"$v\""
   else
     echo "#undef SKALIBS_HAS$k"
     if test $v = yes ; then
-- 
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