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./run: Use 'prepend' function to build paths.

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Add a bash function 'prepend' for intelligently prepending elements to
paths.  eg:

  prepend PYTHONPATH "/foo"

would set PYTHONPATH to "/foo" or "/foo:<previous-contents-of-PYTHONPATH>"

Tested by:

(1) Building and testing libguestfs twice: first without libguestfs
installed as a system library, and then with it installed.

(2) Examining the output of './run printenv' by hand and comparing
environment variables to the expected values.
This commit is contained in:
Richard W.M. Jones
2015-02-13 09:36:47 +00:00
parent 928430f111
commit cae7909f5e
1 changed files with 54 additions and 47 deletions
Download Patch File Download Diff File Expand all files Collapse all files

101
run.in
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@@ -43,6 +43,13 @@ if [ "$1" = "--test" ]; then
shift
fi
# Function to intelligently prepend a path to an environment variable.
# See http://stackoverflow.com/a/9631350
prepend()
{
eval $1="$2\${$1:+:\$$1}"
}
# Source and build directories (absolute paths so this works from any
# directory).
s="$(cd @abs_srcdir@ && pwd)"
@@ -74,18 +81,43 @@ fi
# Set the PATH to contain all the libguestfs binaries. There are a
# lot of binaries, so a lot of path entries.
PATH="$b/align:$b/builder:$b/cat:$b/customize:$b/df:$b/diff:$b/edit:$b/erlang:$b/fish:$b/format:$b/fuse:$b/inspector:$b/make-fs:$b/p2v:$b/rescue:$b/resize:$b/sparsify:$b/sysprep:$b/test-tool:$b/tools:$b/v2v:$PATH"
prepend PATH "$b/align"
prepend PATH "$b/builder"
prepend PATH "$b/cat"
prepend PATH "$b/customize"
prepend PATH "$b/df"
prepend PATH "$b/diff"
prepend PATH "$b/edit"
prepend PATH "$b/erlang"
prepend PATH "$b/fish"
prepend PATH "$b/format"
prepend PATH "$b/fuse"
prepend PATH "$b/inspector"
prepend PATH "$b/make-fs"
prepend PATH "$b/p2v"
prepend PATH "$b/rescue"
prepend PATH "$b/resize"
prepend PATH "$b/sparsify"
prepend PATH "$b/sysprep"
prepend PATH "$b/test-tool"
prepend PATH "$b/tools"
prepend PATH "$b/v2v"
export PATH
# Set LD_LIBRARY_PATH and DYLD_LIBRARY_PATH to contain library.
build_libs_path="$b/src/.libs:$b/java/.libs:$b/gobject/.libs"
export LD_LIBRARY_PATH="$build_libs_path${LD_LIBRARY_PATH:+:}$LD_LIBRARY_PATH"
export DYLD_LIBRARY_PATH="$build_libs_path${DYLD_LIBRARY_PATH:+:}$DYLD_LIBRARY_PATH"
prepend LD_LIBRARY_PATH "$b/gobject/.libs"
prepend LD_LIBRARY_PATH "$b/java/.libs"
prepend LD_LIBRARY_PATH "$b/src/.libs"
prepend DYLD_LIBRARY_PATH "$b/gobject/.libs"
prepend DYLD_LIBRARY_PATH "$b/java/.libs"
prepend DYLD_LIBRARY_PATH "$b/src/.libs"
export LD_LIBRARY_PATH
export DYLD_LIBRARY_PATH
# Make virt-builder use the local website copy to avoid hitting
# the network all the time.
if [ -z "$XDG_CONFIG_DIRS" ]; then
XDG_CONFIG_DIRS="$b/builder/test-website"
prepend XDG_CONFIG_DIRS "$b/builder/test-website"
export XDG_CONFIG_DIRS
fi
@@ -96,11 +128,8 @@ if [ -z "$VIRT_P2V_DATA_DIR" ]; then
fi
# For Perl.
if [ -z "$PERL5LIB" ]; then
PERL5LIB="$b/perl/blib/lib:$b/perl/blib/arch"
else
PERL5LIB="$b/perl/blib/lib:$b/perl/blib/arch:$PERL5LIB"
fi
prepend PERL5LIB "$b/perl/blib/arch"
prepend PERL5LIB "$b/perl/blib/lib"
export PERL5LIB
# Enable Perl valgrinding.
@@ -112,52 +141,38 @@ export PERL_DESTRUCT_LEVEL=2
# For Python.
export PYTHON=@PYTHON@
if [ -z "$PYTHONPATH" ]; then
PYTHONPATH="$s/python:$b/python:$b/python/.libs"
else
PYTHONPATH="$s/python:$b/python:$b/python/.libs:$PYTHONPATH"
fi
prepend PYTHONPATH "$b/python/.libs"
prepend PYTHONPATH "$b/python"
prepend PYTHONPATH "$s/python"
export PYTHONPATH
# For Ruby.
export RUBY=@RUBY@
export RAKE=@RAKE@
if [ -z "$RUBYLIB" ]; then
RUBYLIB="$b/ruby/lib:$b/ruby/ext/guestfs"
else
RUBYLIB="$b/ruby/lib:$b/ruby/ext/guestfs:$RUBYLIB"
fi
prepend RUBYLIB "$b/ruby/ext/guestfs"
prepend RUBYLIB "$b/ruby/lib"
export RUBYLIB
export LD_LIBRARY_PATH="$b/ruby/ext/guestfs${LD_LIBRARY_PATH:+:}$LD_LIBRARY_PATH"
export DYLD_LIBRARY_PATH="$b/ruby/ext/guestfs${DYLD_LIBRARY_PATH:+:}$DYLD_LIBRARY_PATH"
prepend LD_LIBRARY_PATH "$b/ruby/ext/guestfs"
prepend DYLD_LIBRARY_PATH "$b/ruby/ext/guestfs"
# For OCaml.
if [ -z "$CAML_LD_LIBRARY_PATH" ]; then
CAML_LD_LIBRARY_PATH="$b/ocaml"
else
CAML_LD_LIBRARY_PATH="$b/ocaml:$CAML_LD_LIBRARY_PATH"
fi
prepend CAML_LD_LIBRARY_PATH "$b/ocaml"
export CAML_LD_LIBRARY_PATH
# For Java.
export JAVA_EXE=@JAVA_EXE@
if [ -z "$CLASSPATH" ]; then
CLASSPATH="$b/java:$b/java/t:$b/java/libguestfs-@VERSION@.jar"
else
CLASSPATH="$b/java:$b/java/t:$b/java/libguestfs-@VERSION@.jar:$CLASSPATH"
fi
prepend CLASSPATH "$b/java/libguestfs-@VERSION@.jar"
prepend CLASSPATH "$b/java/t"
prepend CLASSPATH "$b/java"
export CLASSPATH
# For Erlang (note $PATH is adjusted above to include erl-guestfs).
if [ -z "$ERL_LIBS" ]; then
ERL_LIBS="$b/erlang"
else
ERL_LIBS="$b/erlang:$ERL_LIBS"
fi
prepend ERL_LIBS "$b/erlang"
export ERL_LIBS
# For Lua.
export LUA=@LUA@
# Can't use 'prepend' here because Lua paths use semicolons.
if [ -z "$LUA_CPATH" ]; then
LUA_CPATH="$b/lua/?.so"
else
@@ -167,11 +182,7 @@ export LUA_CPATH
# For golang.
export GOLANG=@GOLANG@
if [ -z "$GOPATH" ]; then
GOPATH="$b/golang"
else
GOPATH="$b/golang:$GOPATH"
fi
prepend GOPATH "$b/golang"
export GOPATH
if [ -z "$CGO_CFLAGS" ]; then
CGO_CFLAGS="-I$s/src"
@@ -188,11 +199,7 @@ export CGO_LDFLAGS
# For GObject, Javascript and friends.
export GJS=@GJS@
if [ -z "$GI_TYPELIB_PATH" ]; then
GI_TYPELIB_PATH="$b/gobject"
else
GI_TYPELIB_PATH="$b/gobject:$GI_TYPELIB_PATH"
fi
prepend GI_TYPELIB_PATH "$b/gobject"
export GI_TYPELIB_PATH
# Be friendly to valgrind (https://live.gnome.org/Valgrind)
export G_SLICE=always-malloc