Add new --prefix=PREFIX configure commandline option to specify
installation directory for binaries.

Add additional check in 'Cmds' file if --prefix was specified
from 'configure' script, in that case required installation path
components will be created automatically as it is done for
'make PREFIX=...' option.

Signed-off-by: Vadim Kochan <vadi...@gmail.com>
---
 Cmds      |  7 ++++++-
 configure | 20 ++++++++++++++++++++
 2 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/Cmds b/Cmds
index 7167e0c..159939e 100644
--- a/Cmds
+++ b/Cmds
@@ -29,7 +29,12 @@ ifeq ("$(origin PREFIX)", "command line")
   INSTX = echo -e "  INST\t$(1)" && install -d $(2) && \
        install -C $(1) $(2)/$(shell basename $(1))
 else
-  INSTX = echo -e "  INST\t$(1)" && install -C $(1) $(2)/$(shell basename $(1))
+  ifeq ("$(origin PREFIX)", "file")
+    INSTX = echo -e "  INST\t$(1)" && install -d $(2) && \
+         install -C $(1) $(2)/$(shell basename $(1))
+  else
+    INSTX = echo -e "  INST\t$(1)" && install -C $(1) $(2)/$(shell basename 
$(1))
+  endif
 endif
 
 MKDIR = echo -e  "  MKDIR\t$(1)" && mkdir -p $(1)
diff --git a/configure b/configure
index 4a5b7e3..db9727c 100755
--- a/configure
+++ b/configure
@@ -24,12 +24,24 @@ DISABLE_GEOIP=0
 DISABLE_ZLIB=0
 ENABLE_DEBUG=0
 
+PREFIX="/usr/local"
+HAVE_PREFIX=0
+
 usage()
 {
        echo "Usage: ./configure [OPTION]... [VAR=VALUE]..."
        echo ""
        echo "  -h, --help       Display this help and exit"
        echo ""
+       echo "Installation directories:"
+       echo "  --prefix=PREFIX  install architecture-independent files in 
PREFIX"
+       echo "                   [$PREFIX]"
+       echo ""
+       echo "By default, \`make install' will install all the files in"
+       echo "\`$PREFIX/bin', \`$PREFIX/lib' etc.  You can specify"
+       echo "an installation prefix other than \`$PREFIX' using \`--prefix',"
+       echo "for instance \`--prefix=\$HOME'."
+       echo ""
        echo "Optional Features:"
        echo "  --disable-libnl  Disable libnl support"
        echo "  --disable-geoip  Disable geoip support"
@@ -48,6 +60,10 @@ while [ $# -gt 0 ] ; do
        -h|--help)
                usage
                ;;
+       --prefix=*)
+               PREFIX="${1#*=}"
+               HAVE_PREFIX=1
+               ;;
        --disable-libnl)
                DISABLE_LIBNL=1
                ;;
@@ -794,6 +810,10 @@ else
        echo "CONFIG_GEOIP=0" >> Config
 fi
 
+if [ "$HAVE_PREFIX" == "1" ] ; then
+       echo "PREFIX=$PREFIX" >> Config
+fi
+
 echo "CONFIG_DEBUG=$ENABLE_DEBUG" >> Config
 echo "CONFIG_TOOLS=$TOOLS" >> Config
 echo "CONFIG_OK=1" >> Config
-- 
2.9.2

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