From 465ac8d55b18b05a5065d2cb9ecd40e18542b555 Mon Sep 17 00:00:00 2001
From: Laurent Bercot <ska-skaware@skarnet.org>
Date: Fri, 2 Jan 2015 14:40:47 +0000
Subject:  More noob-friendly defaults for configure

---
 configure | 39 +++++++++++++++++++++++++++++----------
 1 file changed, 29 insertions(+), 10 deletions(-)

diff --git a/configure b/configure
index a946138..a552e31 100755
--- a/configure
+++ b/configure
@@ -1,5 +1,7 @@
 #!/bin/sh
 
+. package/info
+
 usage () {
   cat <<EOF
 Usage: $0 [OPTION]... [VAR=VALUE]... [TARGET]
@@ -18,10 +20,13 @@ Installation directories:
 
 Fine tuning of the installation directories:
   --dynlibdir=DIR               shared library files [PREFIX/lib]
-  --libdir=DIR                  static library files [PREFIX/usr/lib/skalibs]
-  --includedir=DIR              include files for the C compiler [PREFIX/usr/include]
+  --libdir=DIR                  static library files [PREFIX/lib/$package]
+  --includedir=DIR              include files for the C compiler [PREFIX/include]
   --datadir=DIR                 global configuration files [PREFIX/etc]
-  --sysdepdir=DIR               sysdeps directory [PREFIX/usr/lib/skalibs/sysdeps]
+  --sysdepdir=DIR               sysdeps directory [PREFIX/lib/$package/sysdeps]
+
+ If no --prefix option is given, by default libdir will be /usr/lib/$package,
+ includedir will be /usr/include and sysdepdir will be /usr/lib/$package/sysdeps.
 
 Dependencies:
   --with-sysdeps=DIR            use provided sysdeps in DIR [autodetected]
@@ -35,7 +40,7 @@ Optional features:
   --enable-slashpackage[=ROOT]  assume /package installation at ROOT [disabled]
   --enable-cross=PREFIX         prefix toolchain executable names with PREFIX [none]
 
-skalibs options:
+$package options:
   --enable-libc-replacements    use independent low-level primitives [disabled]
   --enable-egd=PATH             support an EGD daemon listening on PATH as RNG [disabled]
   --disable-ipv6                do not build IPv6 support [enabled]
@@ -50,7 +55,6 @@ EOF
   exit 0
 }
 
-
 # Helper functions
 
 # If your system does not have printf, you can comment this, but it is
@@ -173,10 +177,10 @@ LDFLAGS_AUTO="$LDFLAGS"
 LDFLAGS_NOSHARED=
 prefix=
 dynlibdir='$prefix/lib'
-libdir='$prefix/usr/lib/skalibs'
-includedir='$prefix/usr/include'
+libdir='$prefix/lib/$package'
+includedir='$prefix/include'
 datadir='$prefix/etc'
-sysdepdir='$prefix/usr/lib/$package/sysdeps'
+sysdepdir='$prefix/lib/$package/sysdeps'
 sysdeps=
 shared=true
 static=true
@@ -200,7 +204,6 @@ vpaths=''
 vpathd=''
 cross="$CROSS_COMPILE"
 
-. package/info
 
 for arg ; do
   case "$arg" in
@@ -251,12 +254,28 @@ for arg ; do
   esac
 done
 
-for i in prefix exec_prefix dynlibdir libdir includedir datadir sysdepdir sysdeps sproot ; do
+# Add /usr in the default default case
+if test -z "$prefix" ; then
+  if test "$libdir" = '$prefix/lib/$package' ; then
+    libdir=/usr/lib/$package
+  fi
+  if test "$includedir" = '$prefix/include' ; then
+    includedir=/usr/include
+  fi
+  if test "$sysdepdir" = '$prefix/lib/$package/sysdeps' ; then
+    sysdepdir=/usr/lib/$package/sysdeps
+  fi
+fi
+
+# Expand installation directories
+stripdir prefix
+for i in exec_prefix dynlibdir libdir includedir datadir sysdepdir sysdeps sproot ; do
   eval tmp=\${$i}
   eval $i=$tmp
   stripdir $i
 done
 
+
 # Get usable temp filenames
 i=0
 set -C
-- 
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