[librsvg/librsvg-2.44] (#359): Require rust 1.27

[Federico Mena Quintero <federico src gnome org>]

commit b94770f1629de487b89888f10bb5102de021c01e
Author: Federico Mena Quintero <federico gnome org>
Date:   Tue Oct 23 19:12:52 2018 -0500

    (#359): Require rust 1.27
    
    The libm crate, as used by nalgebra's dependency on alga, doesn't work
    on rust 1.26.
    
    I have no idea why libm is actually being compiled by alga; AFAIK libm
    is for microcontrollers that need software floating-point.
    
    Fixes https://gitlab.gnome.org/GNOME/librsvg/issues/359

 COMPILING.md | 2 +-
 configure.ac | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/COMPILING.md b/COMPILING.md
index 9b3cfb49..43fe7e5f 100644
--- a/COMPILING.md
+++ b/COMPILING.md
@@ -31,7 +31,7 @@ minimum version is listed here; you may use a newer version instead.
 **Compilers:**
 
 * a C compiler and `make` tool; we recommend GNU `make`.
-* rust 1.26 or later
+* rust 1.27 or later
 * cargo
 
 **Mandatory dependencies:**
diff --git a/configure.ac b/configure.ac
index 623b5500..1f977360 100644
--- a/configure.ac
+++ b/configure.ac
@@ -85,7 +85,7 @@ AS_IF(test x$RUSTC = xno,
 dnl Minimum version of rustc that we support
 dnl If you change this, please update COMPILING.md
 MINIMUM_RUST_MAJOR=1
-MINIMUM_RUST_MINOR=26
+MINIMUM_RUST_MINOR=27
 
 rust_version=`rustc --version`
 version=`echo "$rust_version" | sed -e 's/^rustc //g'`