[tor-commits] [tor/master] Detect rustc version

[nickm@xxxxxxxxxxxxxx]

commit aeba64efad02e596dc3f15832d4bb96184c366a3
Author: Sebastian Hahn <sebastian@xxxxxxxxxxxxxx>
Date:   Tue May 2 06:46:41 2017 +0200

    Detect rustc version
---
 configure.ac | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/configure.ac b/configure.ac
index 1a780d3..c5d3d44 100644
--- a/configure.ac
+++ b/configure.ac
@@ -275,6 +275,17 @@ if test "x$enable_rust" = "xyes"; then
     CARGO_ONLINE=--frozen
   fi
   AC_SUBST(CARGO_ONLINE)
+
+dnl Let's check the rustc version, too
+  AC_MSG_CHECKING([rust version])
+  RUSTC_VERSION_MAJOR=`$RUSTC --version | cut -d ' ' -f 2 | cut -d '.' -f 1`
+  RUSTC_VERSION_MINOR=`$RUSTC --version | cut -d ' ' -f 2 | cut -d '.' -f 2`
+  if test "x$RUSTC_VERSION_MAJOR" = "x" -o "x$RUSTC_VERSION_MINOR" = "x"; then
+    AC_MSG_ERROR([rustc version couldn't be identified])
+  fi
+  if test "$RUSTC_VERSION_MAJOR" -lt 2 -a "$RUSTC_VERSION_MINOR" -lt 14; then
+    AC_MSG_ERROR([rustc must be at least version 1.14])
+  fi
 fi
 
 ifdef([AC_C_FLEXIBLE_ARRAY_MEMBER], [



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