configure.ac, src/Makefile.am: Follow GNU coding standards regarding directory variables

Closes: <#1229>
Reported-by: Chris Hofstaedtler <[email protected]>
Cc: Sam James <[email protected]>
Signed-off-by: Alejandro Colomar <[email protected]>

Author: alejandro-colomar

configure.ac

@@ -16,10 +16,6 @@ AC_SUBST([LIBSUBID_ABI_MINOR], [libsubid_abi_minor])
 AC_SUBST([LIBSUBID_ABI_MICRO], [libsubid_abi_micro])
 AC_SUBST([LIBSUBID_ABI], [libsubid_abi])
 
-dnl Some hacks...
-test "$prefix" = "NONE" && prefix="/usr"
-test "$prefix" = "/usr" && exec_prefix=""
-
 AC_USE_SYSTEM_EXTENSIONS
 
 AC_ENABLE_STATIC

src/Makefile.am

@@ -2,8 +2,10 @@
 EXTRA_DIST = \
 	.indent.pro
 
-ubindir = ${prefix}/bin
-usbindir = ${prefix}/sbin
+prefix = /usr/local
+exec_prefix = ${prefix}
+ubindir = ${exec_prefix}/bin
+usbindir = ${exec_prefix}/sbin
 suidperms = 4755
 sgidperms = 2755
 
@@ -24,7 +26,7 @@ AM_CFLAGS = $(LIBBSD_CFLAGS)
 #
 # also /lib/libshadow.so.x.xx (if any) could be moved to /usr/lib
 # and installation would be much simpler (just two directories,
-# $prefix/bin and $prefix/sbin, no install-data hacks...)
+# $exec_prefix/bin and $exec_prefix/sbin, no install-data hacks...)
 
 bin_PROGRAMS   = login
 sbin_PROGRAMS  = nologin