Make.inc.in: use relative include paths

This is necessary for the build to be reproducible (see
https://reproducible-builds.org/ for more details). Some binaries (e.g.
radeapclient or radiusd itself) include the CFLAGS with which they were
built, and hence the build path, which is different on different builds
of the package (at least on Debian).

diff --git a/Make.inc.in b/Make.inc.in
index a69a253..7a77625 100644 (file)
--- a/Make.inc.in
+++ b/Make.inc.in
@@ -47,11 +47,11 @@ MAKEFLAGS   = @FR_MAKEFLAGS@
 
 CC             = @CC@
 RANLIB         = @RANLIB@
-INCLUDE                = -I${top_srcdir} -I${top_srcdir}/src \
-                 -include ${top_srcdir}/src/freeradius-devel/autoconf.h \
-                 -include ${top_srcdir}/src/freeradius-devel/build.h \
-                 -include ${top_srcdir}/src/freeradius-devel/features.h \
-                 -include ${top_srcdir}/src/freeradius-devel/radpaths.h
+INCLUDE                = -I. -Isrc \
+                 -include src/freeradius-devel/autoconf.h \
+                 -include src/freeradius-devel/build.h \
+                 -include src/freeradius-devel/features.h \
+                 -include src/freeradius-devel/radpaths.h
 CFLAGS         = $(INCLUDE) -fno-strict-aliasing @CFLAGS@
 CPPFLAGS       = @CPPFLAGS@
 LIBPREFIX      = @LIBPREFIX@