diff --git a/GNUmakefile b/GNUmakefile
index 26cdaf21..4b3ebe7a 100644
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -21,7 +21,7 @@ GUILE_FLAGS:=--no-auto-compile -L . -L guile -C . -C guile
 include .config.make
 
 .config.make:
-	./configure --prefix=$(PREFIX)
+	./configure --prefix=$(prefix)
 
 PHONY_TARGETS:= all all-go build check clean clean-go default doc help install install-info man\
 cc mes mes-gcc mes-tcc
@@ -140,8 +140,8 @@ Targets:
   clean           run git clean -dfx
   clean-go        clean .go files
   info            update info documentation
-  install         install in $(PREFIX)
-  install-info    install info docs in $(PREFIX)/share/info
+  install         install in $(prefix)
+  install-info    install info docs in $(prefix)/share/info
   seed            update mes-seed in $(MES_SEED)
 endef
 export HELP_TOP
diff --git a/HACKING b/HACKING
index b7dbb848..abf86451 100644
--- a/HACKING
+++ b/HACKING
@@ -25,7 +25,7 @@ To help development we assume ./configure sets these variables for make
    HEX2   -- hex2
    MES    -- unset
    M1     -- M1
-   PREFIX -- ""
+   prefix -- ""
 
 Mes is supposed to serve as a full equivalent for Guile, however Mes
 ~30 times slower than Guile.  That's why we usually don't use Mes
diff --git a/INSTALL b/INSTALL
index b11e1d95..c8fa2247 100644
--- a/INSTALL
+++ b/INSTALL
@@ -51,7 +51,7 @@ https://gitlab.com/janneke/guix/blob/wip-bootstrap/gnu/packages/mes.scm
   - [[https://github.com/oriansj/mescc-tools][mes-seed]], 0.15 is known to work.
 
 ** Build it
-   <setup environment, e.g. PREFIX, MES_SEED>
+   <setup environment, e.g. prefix, MES_SEED>
 
    ./build.sh
 
diff --git a/build-aux/build-cc.sh b/build-aux/build-cc.sh
index f3e54150..2cf6e292 100755
--- a/build-aux/build-cc.sh
+++ b/build-aux/build-cc.sh
@@ -35,8 +35,8 @@ CFLAGS=${CFLAGS-"
 
 CPPFLAGS=${CPPFLAGS-"
 -D VERSION=\"$VERSION\"
--D MODULEDIR=\"$MODULEDIR\"
--D PREFIX=\"$PREFIX\"
+-D MODULEDIR=\"$moduledir\"
+-D PREFIX=\"$prefix\"
 -I src
 -I lib
 -I include
diff --git a/build-aux/build-cc32.sh b/build-aux/build-cc32.sh
index 11084f30..24eedfa0 100755
--- a/build-aux/build-cc32.sh
+++ b/build-aux/build-cc32.sh
@@ -24,7 +24,7 @@ if [ -n "$BUILD_DEBUG" ]; then
     set -x
 fi
 
-MODULEDIR=${MODULEDIR-${DATADIR}${DATADIR:+/}module}
+moduledir=${moduledir-${datadir}${datadir:+/}module}
 export CC32 TCC CPPFLAGS C32FLAGS
 
 CC32=${CC32-$(command -v i686-unknown-linux-gnu-gcc)}
@@ -46,8 +46,8 @@ build-aux/mes-snarf.scm src/vector.c
 
 CPPFLAGS=${CPPFLAGS-"
 -D VERSION=\"$VERSION\"
--D MODULEDIR=\"$MODULEDIR\"
--D PREFIX=\"$PREFIX\"
+-D MODULEDIR=\"$moduledir\"
+-D PREFIX=\"$prefix\"
 -I src
 -I lib
 -I include
diff --git a/build-aux/build-mes.sh b/build-aux/build-mes.sh
index 1ef36c68..d7395fa6 100755
--- a/build-aux/build-mes.sh
+++ b/build-aux/build-mes.sh
@@ -106,7 +106,6 @@ fi
 
 ARCHDIR=1 NOLINK=1 bash build-aux/cc-mes.sh lib/crt0
 ARCHDIR=1 NOLINK=1 bash build-aux/cc-mes.sh lib/crt1
-ARCHDIR=1 NOLINK=1 bash build-aux/cc-mes.sh lib/crt1
 ARCHDIR=1 NOLINK=1 bash build-aux/cc-mes.sh lib/crti
 ARCHDIR=1 NOLINK=1 bash build-aux/cc-mes.sh lib/crtn
 ARCHDIR=1 NOLINK=1 bash build-aux/cc-mes.sh lib/libc-mini
diff --git a/build-aux/cc-mes.sh b/build-aux/cc-mes.sh
index 7a2ed41a..57e75f6f 100755
--- a/build-aux/cc-mes.sh
+++ b/build-aux/cc-mes.sh
@@ -35,8 +35,8 @@ MES=${MES-$(command -v mes)}
 
 CPPFLAGS=${CPPFLAGS-"
 -D VERSION=\"$VERSION\"
--D MODULEDIR=\"$MODULEDIR\"
--D PREFIX=\"$PREFIX\"
+-D MODULEDIR=\"$moduledir\"
+-D PREFIX=\"$prefix\"
 -I src
 -I lib
 -I include
diff --git a/build-aux/cc.sh b/build-aux/cc.sh
index 19381623..3d7a2855 100755
--- a/build-aux/cc.sh
+++ b/build-aux/cc.sh
@@ -26,8 +26,8 @@ fi
 
 CPPFLAGS=${CPPFLAGS-"
 -D VERSION=\"$VERSION\"
--D MODULEDIR=\"$MODULEDIR\"
--D PREFIX=\"$PREFIX\"
+-D MODULEDIR=\"$moduledir\"
+-D PREFIX=\"$prefix\"
 -I src
 -I lib
 -I include
diff --git a/build-aux/cc32-mes.sh b/build-aux/cc32-mes.sh
index d994f452..159406dc 100755
--- a/build-aux/cc32-mes.sh
+++ b/build-aux/cc32-mes.sh
@@ -26,8 +26,8 @@ fi
 
 CPPFLAGS=${CPPFLAGS-"
 -D VERSION=\"$VERSION\"
--D MODULEDIR=\"$MODULEDIR\"
--D PREFIX=\"$PREFIX\"
+-D MODULEDIR=\"$moduledir\"
+-D PREFIX=\"$prefix\"
 -I src
 -I lib
 -I include
diff --git a/build-aux/export.make b/build-aux/export.make
index 05c0a2f8..b1c5eaaa 100644
--- a/build-aux/export.make
+++ b/build-aux/export.make
@@ -1,9 +1,21 @@
+ifdef BUILD_DEBUG
+export BUILD_DEBUG
+endif
+
 ifdef DESTDIR
 export DESTDIR
 endif
 
-ifdef PREFIX
-export PREFIX
+ifdef prefix
+export prefix
+endif
+
+ifdef infodir
+export infodir
+endif
+
+ifdef mandir
+export mandir
 endif
 
 ifdef VERSION
diff --git a/build-aux/setup-mes.sh b/build-aux/setup-mes.sh
index 54dc75bd..2915029d 100644
--- a/build-aux/setup-mes.sh
+++ b/build-aux/setup-mes.sh
@@ -10,10 +10,10 @@ mkdir -p src
 cd src
 
 GUILE_EFFECTIVE_VERSION=2.2
-GUILE_SITE_DIR=/usr/local/share/guile/site/$GUILE_EFFECTIVE_VERSION
-GUILE_SITE_CCACHE_DIR=/usr/local/lib/guile/$GUILE_EFFECTIVE_VERSION/site-ccache
-GUILE_LOAD_PATH=$GUILE_SITE_DIR
-GUILE_LOAD_COMPILED_PATH=$GUILE_SITE_CCACHE_DIR
+guile_site_dir=/usr/local/share/guile/site/$GUILE_EFFECTIVE_VERSION
+guile_site_ccache_dir=/usr/local/lib/guile/$GUILE_EFFECTIVE_VERSION/site-ccache
+GUILE_LOAD_PATH=$guile_site_dir
+GUILE_LOAD_COMPILED_PATH=$guile_site_ccache_dir
 export GUILE_LOAD_PATH
 export GUILE_LOAD_COMPILED_PATH
 
diff --git a/build.sh b/build.sh
index 4a334074..c273d62f 100755
--- a/build.sh
+++ b/build.sh
@@ -23,9 +23,9 @@ if [ -n "$BUILD_DEBUG" ]; then
 fi
 
 # dash does not export foo=${foo-bar} for some values
+export prefix datadir moduledir
 export CC CC32 TCC GUILE MESCC MES_SEED
 export MES_ARENA MES_DEBUG
-export PREFIX DATADIR MODULEDIR
 export CPPFLAGS CFLAGS C32FLAGS MESCCFLAGS
 export BUILD_DEBUG
 
@@ -37,15 +37,15 @@ GUILE=${GUILE-$(command -v guile)}
 MES_ARENA=${MES_ARENA-100000000}
 MES_DEBUG=${MES_DEBUG-1}
 
-PREFIX=${PREFIX-/usr/local}
-DATADIR=${DATADIR-$PREFIX/share/mes}
-MODULEDIR=${MODULEDIR-${DATADIR}${DATADIR:+/}module}
+prefix=${prefix-/usr/local}
+datadir=${datadir-$prefix/share/mes}
+moduledir=${moduledir-${datadir}${datadir:+/}module}
 set -e
 
 CPPFLAGS=${CPPFLAGS-"
 -D VERSION=\"$VERSION\"
--D MODULEDIR=\"$MODULEDIR\"
--D PREFIX=\"$PREFIX\"
+-D MODULEDIR=\"$moduledir\"
+-D PREFIX=\"$prefix\"
 -I src
 -I lib
 -I include
diff --git a/check.sh b/check.sh
index 34ec6a8a..8407dd51 100755
--- a/check.sh
+++ b/check.sh
@@ -28,7 +28,7 @@ CC32=${CC32-$(command -v i686-unknown-linux-gnu-gcc)}
 GUILE=${GUILE-guile}
 MES=${MES-src/mes}
 MES_ARENA=${MES_ARENA-100000000}
-PREFIX=
+prefix=
 
 if ! command -v $GUILE > /dev/null; then
     GUILE=true
diff --git a/configure b/configure
index 89b7f627..9df25c28 100755
--- a/configure
+++ b/configure
@@ -59,10 +59,13 @@ exec ${GUILE-guile} -L . --no-auto-compile -e '(configure)' -s "$0" ${1+"$@"}
 (define *shell* "sh")
 (define PACKAGE "mes")
 (define VERSION "0.16")
-(define PREFIX "/usr/local")
-(define GUILE_EFFECTIVE_VERSION (effective-version))
 (define GUILE (or (getenv "guile") "guile"))
-(define SYSCONFDIR "$(PREFIX)/etc")
+(define GUILE_EFFECTIVE_VERSION (effective-version))
+
+(define prefix "/usr/local")
+(define infodir "${prefix}/share/info")
+(define mandir "${prefix}/share/man")
+(define sysconfdir "${prefix}/etc")
 
 ;;; Utility
 (define (logf port string . rest)
@@ -189,8 +192,21 @@ exec ${GUILE-guile} -L . --no-auto-compile -e '(configure)' -s "$0" ${1+"$@"}
             (sysconfdir (value #t))
             (verbose (single-char #\v))
             (with-courage)
-            ;;ignore
-            (enable-fast-install))))
+            (infodir (value #t))
+            (mandir (value #t))
+            (disable-silent-rules)
+
+            (enable-fast-install)       ; Ignored for Guix
+            (includedir (value #t))     ; Ignored for Debian
+            (mandir (value #t))         ; Ignored for Debian
+            (localstatedir (value #t))  ; Ignored for Debian
+            (libdir (value #t))         ; Ignored for Debian
+            (libexecdir (value #t))     ; Ignored for Debian
+            (runstatedir (value #t))    ; Ignored for Debian
+            (disable-maintainer-mode)   ; Ignored for Debian
+            (disable-dependency-tracking) ; Ignored for Debian
+            )))
+
     (getopt-long args option-spec)))
 
 (define* (print-help #:optional (port (current-output-port)))
@@ -207,13 +223,29 @@ Defaults for the options are specified in brackets.
 Options:
   -h, --help           display this help
       --build=BUILD    configure for building on BUILD [guessed]
+      --disable-silent-rules
+                       verbose build output [BUILD_DEBUG=1]
       --host=HOST      cross-compile to build programs to run on HOST [BUILD]
   -v, --verbose        be verbose
   --with-courage       assert being courageous to configure for unsupported platform
 
 Installation directories:
-  --prefix=DIR         install in PREFIX [~a]
-  --sysconfdir=DIR     read-only single-machine data [PREFIX/etc]
+  --prefix=DIR         install in prefix DIR [~a]
+  --infodir=DIR        info documentation [PREFIX/share/info]
+  --mandir=DIR         man pages [PREFIX/share/man]
+
+Ignored for Guix:
+  --enable-fast-install
+
+Ignored for Debian:
+  --disable-dependency-tracking
+  --disable-maintainer-mode
+  --includedir=DIR
+  --libdir=DIR
+  --libexecdir=DIR
+  --localstatedir=DIR
+  --mandir=DIR
+  --runstatedir=DIR
 
 Some influential environment variables:
   CC                C compiler command
@@ -226,7 +258,7 @@ Some influential environment variables:
   MESCC_TOOLS_SEED  location of mescc-tools-seed
   TCC               tcc C compiler command
   TINYCC_SEED       location of tinycc-seed
-" PACKAGE VERSION (getenv "PREFIX")))
+" PACKAGE VERSION (getenv "prefix")))
 
 (define (main args)
   (let* ((CC (or (getenv "CC") "gcc"))
@@ -235,10 +267,12 @@ Some influential environment variables:
          (options (parse-opts args))
          (build-triplet (option-ref options 'build BUILD_TRIPLET))
          (host-triplet (option-ref options 'host BUILD_TRIPLET))
-         (prefix (option-ref options 'prefix PREFIX))
-         (sysconfdir (option-ref options 'sysconfdir SYSCONFDIR))
+         (prefix (option-ref options 'prefix prefix))
+         (infodir (option-ref options 'infodir infodir))
+         (sysconfdir (option-ref options 'sysconfdir sysconfdir))
          (verbose? (option-ref options 'verbose #f))
          (with-courage? (option-ref options 'with-courage #f))
+         (disable-silent-rules? (option-ref options 'disable-silent-rules #f))
          (make? #f)
          (vars (filter (cut string-index <> #\=) (option-ref options '() '())))
          (help? (option-ref options 'help #f)))
@@ -305,6 +339,11 @@ Some influential environment variables:
           (stdout "build:=~a\n" build-triplet)
           (stdout "host:=~a\n" host-triplet)
           (stdout "srcdir:=.\n")
+          (stdout "prefix:=~a\n" (gulp-pipe (string-append "echo " prefix)))
+          (stdout "infodir:=~a\n" infodir)
+          (stdout "mandir:=~a\n" mandir)
+          (stdout "sysconfdir:=~a\n" sysconfdir)
+
           (stdout "ARCH:=~a\n" ARCH)
           (stdout "CC:=~a\n" (or CC ""))
           (stdout "CC32:=~a\n" (or CC32 ""))
@@ -324,8 +363,8 @@ Some influential environment variables:
           (stdout "HEX2:=~a\n" (or HEX2 ""))
           (stdout "PACKAGE:=~a\n" PACKAGE)
           (stdout "VERSION:=~a\n" VERSION)
-          (stdout "PREFIX:=~a\n" (gulp-pipe (string-append "echo " prefix)))
-          (stdout "SYSCONFDIR:=~a\n" sysconfdir)
+          (when disable-silent-rules?
+            (stdout "BUILD_DEBUG:=1\n"))
           (when CFLAGS (stdout "CFLAGS:=~a\n" CFLAGS))
           (when C32FLAGS (stdout "C32FLAGS:=~a\n" C32FLAGS))
           (when HEX2FLAGS (stdout "HEX2FLAGS:=~a\n" HEX2FLAGS))
diff --git a/doc/mes.texi b/doc/mes.texi
index 413e39f1..d25a040f 100644
--- a/doc/mes.texi
+++ b/doc/mes.texi
@@ -340,7 +340,7 @@ package.  The bootstrap build procedure for Mes is similar to building
 GNU software and goes like this
 
 @example
-export PREFIX=/usr/local # for example
+export prefix=/usr/local # for example
 export MES_SEED=../mes   # for example
 # optionally set some other environment variables
 sh build.sh
diff --git a/install.sh b/install.sh
index b3eadc64..3a68e561 100755
--- a/install.sh
+++ b/install.sh
@@ -9,71 +9,73 @@ fi
 [ -n "$BASH" ] && set -o pipefail
 
 SHELL=${SHELL-$(command -v sh)}
-PREFIX=${PREFIX-/usr/local}
-MES_PREFIX=${MES_PREFIX-$PREFIX/share/mes}
-MES_SEED=${MES_SEED-../mes-seed}
-TINYCC_SEED=${TINYCC_SEED-../tinycc-seed}
+prefix=${prefix-/usr/local}
 
-mkdir -p $DESTDIR$PREFIX/bin
-cp src/mes $DESTDIR$PREFIX/bin/mes
+MES_PREFIX=${MES_PREFIX-$prefix/share/mes}
+MES_SEED=${MES_SEED-../MES-SEED}
+TINYCC_SEED=${TINYCC_SEED-../TINYCC-SEED}
 
-mkdir -p $DESTDIR$PREFIX/lib
+mkdir -p $DESTDIR$prefix/bin
+cp src/mes $DESTDIR$prefix/bin/mes
+
+mkdir -p $DESTDIR$prefix/lib
 mkdir -p $DESTDIR$MES_PREFIX/lib
-cp scripts/mescc $DESTDIR$PREFIX/bin/mescc
+cp scripts/mescc $DESTDIR$prefix/bin/mescc
 
 mkdir -p $DESTDIR$MES_PREFIX
 tar -cf- doc guile include lib module scaffold | tar -xf- -C $DESTDIR$MES_PREFIX
 
 GUILE_EFFECTIVE_VERSION=${GUILE_EFFECTIVE_VERSION-2.2}
-DATADIR=${MODULEDIR-$PREFIX/share/mes}
-DOCDIR=${MODULEDIR-$PREFIX/share/doc/mes}
-MODULEDIR=${MODULEDIR-$DATADIR/module}
-GUILEDIR=${MODULEDIR-$PREFIX/share/guile/site/$GUILE_EFFECTIVE_VERSION}
-GODIR=${GODIR-$PREFIX/lib/guile/$GUILE_EFFECTIVE_VERSION/site-ccache}
-DOCDIR=${MODULEDIR-$PREFIX/share/doc/mes}
+datadir=${moduledir-$prefix/share/mes}
+docdir=${moduledir-$prefix/share/doc/mes}
+mandir=${mandir-$prefix/share/man}
+moduledir=${moduledir-$datadir/module}
+guile_site_dir=${moduledir-$prefix/share/guile/site/$GUILE_EFFECTIVE_VERSION}
+guile_site_ccache_dir=${guile_site_ccache_dir-$prefix/lib/guile/$GUILE_EFFECTIVE_VERSION/site-ccache}
+docdir=${moduledir-$prefix/share/doc/mes}
 
-chmod +w $DESTDIR$PREFIX/bin/mescc
+chmod +w $DESTDIR$prefix/bin/mescc
 sed \
     -e "s,^#! /bin/sh,#! $SHELL," \
-    -e "s,module/,$MODULEDIR/," \
-    -e "s,@DATADIR@,$DATADIR,g" \
-    -e "s,@DOCDIR@,$DOCDIR,g" \
-    -e "s,@GODIR@,$GODIR,g" \
-    -e "s,@GUILEDIR@,$GUILEDIR,g" \
-    -e "s,@MODULEDIR@,$MODULEDIR,g" \
-    -e "s,@PREFIX@,$PREFIX,g" \
+    -e "s,module/,$moduledir/," \
+    -e "s,@datadir@,$datadir,g" \
+    -e "s,@docdir@,$docdir,g" \
+    -e "s,@guile_site_ccache_dir@,$guile_site_ccache_dir,g" \
+    -e "s,@guile_site_dir@,$guile_site_dir,g" \
+    -e "s,@moduledir@,$moduledir,g" \
+    -e "s,@prefix@,$prefix,g" \
     -e "s,@VERSION@,$VERSION,g" \
-    scripts/mescc > $DESTDIR$PREFIX/bin/mescc
-chmod +w $DESTDIR$MODULEDIR/mes/boot-0.scm
+    scripts/mescc > $DESTDIR$prefix/bin/mescc
+chmod +w $DESTDIR$moduledir/mes/boot-0.scm
 sed \
     -e "s,^#! /bin/sh,#! $SHELL," \
-    -e "s,module/,$MODULEDIR/," \
-    -e "s,@DATADIR@,$DATADIR,g" \
-    -e "s,@DOCDIR@,$DOCDIR,g" \
-    -e "s,@GODIR@,$GODIR,g" \
-    -e "s,@GUILEDIR@,$GUILEDIR,g" \
-    -e "s,@MODULEDIR@,$MODULEDIR,g" \
-    -e "s,@PREFIX@,$PREFIX,g" \
+    -e "s,module/,$moduledir/," \
+    -e "s,@datadir@,$datadir,g" \
+    -e "s,@docdir@,$docdir,g" \
+    -e "s,@guile_site_ccache_dir@,$guile_site_ccache_dir,g" \
+    -e "s,@guile_site_dir@,$guile_site_dir,g" \
+    -e "s,@moduledir@,$moduledir,g" \
+    -e "s,@prefix@,$prefix,g" \
     -e "s,@VERSION@,$VERSION,g" \
-    module/mes/boot-0.scm > $DESTDIR$MODULEDIR/mes/boot-0.scm
+    module/mes/boot-0.scm > $DESTDIR$moduledir/mes/boot-0.scm
 
 sed \
     -e "s,^#! /bin/sh,#! $SHELL," \
-    scripts/diff.scm > $DESTDIR$PREFIX/bin/diff.scm
-chmod -w+x $DESTDIR$PREFIX/bin/diff.scm
+    scripts/diff.scm > $DESTDIR$prefix/bin/diff.scm
+chmod -w+x $DESTDIR$prefix/bin/diff.scm
 
 if [ -f doc/mes.info ]; then
-    mkdir -p $DESTDIR$PREFIX/share/info
-    install-info --info-dir=$DESTDIR$PREFIX/share/info doc/mes.info
-    tar -cf- doc/mes.info* | tar -xf- --strip-components=1 -C $DESTDIR$PREFIX/share/info
+    mkdir -p $DESTDIR$prefix/share/info
+    install-info --info-dir=$DESTDIR$prefix/share/info doc/mes.info
+    tar -cf- doc/mes.info* | tar -xf- --strip-components=1 -C $DESTDIR$prefix/share/info
 fi
 
 if [ -f doc/mes.1 ]; then
-    mkdir -p $DESTDIR$PREFIX/man/man1
-    cp doc/mes.1 $DESTDIR$PREFIX/man/man1/
+    mkdir -p $DESTDIR$mandir/man1
+    cp doc/mes.1 $DESTDIR$mandir/man1/
 fi
 
 if [ -f doc/mescc.1 ]; then
-    mkdir -p $DESTDIR$PREFIX/man/man1
-    cp doc/mescc.1 $DESTDIR$PREFIX/man/man1/
+    mkdir -p $DESTDIR$mandir/man1
+    cp doc/mescc.1 $DESTDIR$mandir/man1/
 fi
diff --git a/scripts/mescc b/scripts/mescc
index 60ff6b17..eece8746 100755
--- a/scripts/mescc
+++ b/scripts/mescc
@@ -3,23 +3,24 @@
 if [ -n "$BUILD_DEBUG" ]; then
     set -x
 fi
-PREFIX=${PREFIX-@PREFIX@}
-if [ "@PREFIX@" = @PREFIX""@ -o ! -d "$PREFIX/share/mes/module" ]
+prefix=${prefix-@prefix@}
+if [ "@prefix@" = @prefix""@ -o ! -d "$prefix/share/mes/module" ]
 then
     MES_PREFIX=${MES_PREFIX-$(cd $(dirname $0)/.. && pwd)}
 else
-    MES_PREFIX=${MES_PREFIX-$PREFIX/share/mes}
+    MES_PREFIX=${MES_PREFIX-$prefix/share/mes}
 fi
 export MES_PREFIX
 mes_p=$(command -v mes)
 if [ '(' -z "$mes_p" -a -z "$MES" ')' -o "$MES" = "guile" -o "$MES" = "mes.guile" ]; then
-    GODIR=${GODIR-@GODIR@}
-    GUILEDIR=${GUILEDIR-@GUILEDIR@}
-    [ "$GODIR" = @"GODIR"@ ] && GODIR=$(dirname $0)/../guile
-    [ "$GUILEDIR" = @"GUILEDIR"@ ] && GUILEDIR=$(dirname $0)/../guile
-    export GUILE_AUTO_COMPILE=${GUILE_AUTO_COMPILE-0}
-    GUILE_LOAD_COMPILED_PATH=$GODIR:$GUILE_LOAD_COMPILED_PATH
-    exec ${GUILE-guile} -L $GUILEDIR -e '(mescc)' -s "$0" "$@"
+    guile_site_ccache_dir=${guile_site_ccache_dir-@guile_site_ccache_dir@}
+    guile_site_dir=${guile_site_dir-@guile_site_dir@}
+    [ "$guile_site_ccache_dir" = @"guile_site_ccache_dir"@ ] && guile_site_ccache_dir=$(dirname $0)/../guile
+    [ "$guile_site_dir" = @"guile_site_dir"@ ] && guile_site_dir=$(dirname $0)/../guile
+    GUILE_AUTO_COMPILE=${GUILE_AUTO_COMPILE-0}
+    export GUILE_AUTO_COMPILE
+    GUILE_LOAD_COMPILED_PATH=$guile_site_ccache_dir:$GUILE_LOAD_COMPILED_PATH
+    exec ${GUILE-guile} -L $guile_site_dir -e '(mescc)' -s "$0" "$@"
 else
     MES=${MES-$(dirname $0)/mes}
     exec ${MES-mes} -e '(mescc)' -s $0 "$@"
@@ -51,9 +52,9 @@ fi
   #:export (main))
 
 (define %prefix (or (getenv "MES_PREFIX")
-                    (if (string-prefix? "@PREFIX" "@PREFIX@")
+                    (if (string-prefix? "@prefix" "@prefix@")
                         ""
-                        "@PREFIX@/share/mes")))
+                        "@prefix@/share/mes")))
 
 (define %version (if (string-prefix? "@VERSION" "@VERSION@") "git"
                      "@VERSION@"))