fontconfig: Branch 'master'

 doc/fontconfig-user.sgml |    4 ++++
 src/fccfg.c              |    5 ++++-
 2 files changed, 8 insertions(+), 1 deletion(-)

New commits:
commit 730deada8cf609157d07b7c2bf2985672614c4c0
Author: Tom Anderson <[email protected]>
Date:   Tue Apr 24 11:15:58 2018 -0700

    Add FONTCONFIG_SYSROOT environment variable

diff --git a/doc/fontconfig-user.sgml b/doc/fontconfig-user.sgml
index 43ac957..f4f1c42 100644
--- a/doc/fontconfig-user.sgml
+++ b/doc/fontconfig-user.sgml
@@ -783,6 +783,10 @@ is used to override the default configuration file.
 is used to override the default configuration directory.
   </para>
   <para>
+<emphasis>FONTCONFIG_SYSROOT</emphasis>
+is used to set a default sysroot directory.
+  </para>
+  <para>
 <emphasis>FC_DEBUG</emphasis>
 is used to output the detailed debugging messages. see <link linkend="debug">Debugging Applications</link> section for more details.
   </para>
diff --git a/src/fccfg.c b/src/fccfg.c
index e35c451..e966e57 100644
--- a/src/fccfg.c
+++ b/src/fccfg.c
@@ -2408,7 +2408,10 @@ FcConfigGetSysRoot (const FcConfig *config)
 	    return NULL;
     }
 
-    return config->sysRoot;
+    if (config->sysRoot)
+        return config->sysRoot;
+
+    return (FcChar8 *) getenv ("FONTCONFIG_SYSROOT");
 }
 
 void
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