[Qemu-devel] [PATCH 38/39] provide a more gnuish default sysroot

[Paolo Bonzini <pbonzini@redhat.com>]

the default sys-root already hads "gnemul" in it, so I do not feel
ashamed to follow the GNU conventions completely.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 configure     |   20 ++++++++++++++++++--
 create_config |    2 +-
 2 files changed, 19 insertions(+), 3 deletions(-)

diff --git a/configure b/configure
index 27fc67a..0340cfe 100755
--- a/configure
+++ b/configure
@@ -80,7 +80,6 @@ path_of() {
 
 # default parameters
 cpu=""
-sysroot="/usr/gnemul/qemu-%M"
 static="no"
 with_arch=""
 cross_prefix=""
@@ -465,6 +464,22 @@ if test "$mingw32" = "yes" ; then
   confsuffix=""
 fi
 
+# examples:
+#   linux                      ${prefix}/%M-linux/sys-root
+#   linux-gnu                  ${prefix}/%M-linux-gnu/sys-root
+#   i686-redhat-linux-gnu      ${prefix}/%M-pc-linux-gnu/sys-root
+#   powerpc-apple-darwin8.0    ${prefix}/%M-apple-darwin8.0/sys-root
+#   openbsd                    ${prefix}/%M-openbsd/sys-root
+#   i686-openbsd               ${prefix}/%M-openbsd/sys-root
+sysroot=`echo $host_noncanonical | awk '{
+  gnu = $0 ~ /-gnu$/                       # config.guess wants to please rms
+  if (gnu) sub (/-gnu$/, "")               # ... but it gets in our way
+  if (/-/) sub(/[^-]*-/, "")               # remove cpu part of the host
+  if (!/^apple-/) sub(/[^-]*-/, "pc-")     # for Linux/BSD use generic vendor
+  if (gnu) $0 = $0 "-gnu"                  # put the GNUness back
+  print "${prefix}/%M-" $0 "/sys-root"     # make complete path
+}' `
+
 werror=""
 
 for opt do
@@ -2771,7 +2786,8 @@ echo "# Automatically generated by configure - do not modify" > $config_target_m
 bflt="no"
 target_nptl="no"
 sysroot1=`echo "$sysroot" | sed "s/%M/$target_arch2/g"`
-echo "CONFIG_QEMU_SYSROOT=\"$sysroot1\"" >> $config_target_mak
+echo "prefix=$prefix" >> $config_target_mak
+echo "sysroot=\"$sysroot1\"" >> $config_target_mak
 gdb_xml_files=""
 
 TARGET_ARCH="$target_arch2"
diff --git a/create_config b/create_config
index f880a7c..6c8b469 100755
--- a/create_config
+++ b/create_config
@@ -13,7 +13,7 @@ case $line in
     pkgversion=${line#*=}
     echo "#define QEMU_PKGVERSION \"$pkgversion\""
     ;;
- prefix=* | [a-z]*dir=*) # directory configuration
+ prefix=* | [a-z]*dir=* | sysroot=*) # directory configuration
     name=${line%=*}
     value=${line#*=}
     define_name=`echo $name | tr '[:lower:]' '[:upper:]'`
-- 
1.7.2.3