Makefile: fix misdetection of relative pathnames

diff --git a/Makefile b/Makefile
index a82f173cb462f246a3efa5d26f1b53e18bcd4fe1..605b147e72aa6772a9857606387b1109883f645e 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -1434,14 +1434,14 @@ remove-dashes:
 
 ### Installation rules
 
-ifeq ($(abspath $(template_dir)),$(template_dir))
+ifneq ($(filter /%,$(firstword $(template_dir))),)
 template_instdir = $(template_dir)
 else
 template_instdir = $(prefix)/$(template_dir)
 endif
 export template_instdir
 
-ifeq ($(abspath $(gitexecdir)),$(gitexecdir))
+ifneq ($(filter /%,$(firstword $(gitexecdir))),)
 gitexec_instdir = $(gitexecdir)
 else
 gitexec_instdir = $(prefix)/$(gitexecdir)