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autotools: Allow relocatable pkg-config metadata on an opt-in basis

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Bug: https://bugs.freedesktop.org/show_bug.cgi?id=99721
Reviewed-by: Ralf Habacker <ralf.habacker@freenet.de>
Signed-off-by: Simon McVittie <smcv@collabora.com>
This commit is contained in:
Simon McVittie 2017-03-03 13:37:04 +00:00 • committed by Simon McVittie
parent d160c1a71a
commit 30497f854b
1 changed files with 39 additions and 3 deletions
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42
configure.ac
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@ -1530,9 +1530,6 @@ AS_AC_EXPAND(EXPANDED_LIBDIR, "$libdir")
AS_AC_EXPAND(EXPANDED_LIBEXECDIR, "$libexecdir")
AS_AC_EXPAND(EXPANDED_DATADIR, "$datadir")
# For the moment we don't support relocation when building with Autotools
AC_SUBST([pkgconfig_prefix], ['${original_prefix}'])
#### Check our operating system
operating_system=unknown
if test -f /etc/redhat-release || test -f $EXPANDED_SYSCONFDIR/redhat-release ; then
@ -1694,6 +1691,45 @@ DBUS_LIBEXECDIR="$EXPANDED_LIBEXECDIR"
AC_SUBST(DBUS_LIBEXECDIR)
AC_DEFINE_UNQUOTED(DBUS_LIBEXECDIR,"$DBUS_LIBEXECDIR", [Directory for installing the libexec binaries])
AC_ARG_ENABLE([relocation],
[AS_HELP_STRING([--enable-relocation[=yes/no/auto]],
[Make pkg-config metadata relocatable [default=auto]])],
[], [enable_relocation=auto])
can_relocate=yes
AS_CASE(["${exec_prefix}"],
['NONE'|'${prefix}'],
[:],
[*],
[can_relocate=no])
AS_CASE(["${libdir}"],
['${prefix}/lib'|'${prefix}/lib64'|'${exec_prefix}/lib'|'${exec_prefix}/lib64'],
[:],
[*],
[can_relocate=no])
# If the user said --enable-relocation but we can't do it, error out
AS_IF([test "x$can_relocate" = xno && test "x$enable_relocation" = xyes],
[AC_MSG_ERROR([Relocatable pkg-config metadata requires --exec-prefix='\${prefix}' and the default libdir])])
# By default, on Windows we are relocatable if possible
AS_IF([test "x$enable_relocation" = xauto && test "x$dbus_win" = xyes],
[enable_relocation="$can_relocate"])
# By default, on non-Windows we are not relocatable because it can interfere
# with pkg-config's ability to filter out system include directories,
# resulting in linking an outdated system-wide library in preference to a
# newer version installed elsewhere
AS_IF([test "x$enable_relocation" = xauto],
[enable_relocation="no"])
AS_IF([test "x$enable_relocation" = xyes],
[AC_SUBST([pkgconfig_prefix], ['${pcfiledir}/../../'])],
[AC_SUBST([pkgconfig_prefix], ['${original_prefix}'])])
#### Directory to source sysconfdir configuration from
# On Windows this is relative to where we put the bus setup, in