Add --enable-host-shared configuration option

/
	* configure.ac: Add --enable-host-shared
	* configure: Regenerate.

gcc/
	* Makefile.in (PICFLAG): New.
	(enable_host_shared): New.
	(INTERNAL_CFLAGS): Use PICFLAG.
	(LIBIBERTY): Use pic build of libiberty.a if configured with
	--enable-host-shared.
	* configure.ac: Add --enable-host-shared, setting up new
	PICFLAG variable.
	* configure: Regenerate.
	* doc/install.texi (--enable-shared): Add note contrasting it
	with...
	(--enable-host-shared): New option.

libbacktrace/
	* configure.ac: Add --enable-host-shared, setting up
	pre-existing PIC_FLAG variable within Makefile.am et al.
	* configure: Regenerate.

libcpp/
	* Makefile.in (PICFLAG): New.
	(ALL_CFLAGS): Add PICFLAG.
	(ALL_CXXFLAGS): Likewise.
	* configure.ac: Add --enable-host-shared, setting up new
	PICFLAG variable.
	* configure: Regenerate.

libdecnumber/
	* Makefile.in (PICFLAG): New.
	(ALL_CFLAGS): Add PICFLAG.
	* configure.ac: Add --enable-host-shared, setting up new
	PICFLAG variable.
	* configure: Regenerate.

libiberty/
	* configure.ac: If --enable-host-shared, use -fPIC.
	* configure: Regenerate.

zlib/
	* configure.ac: Add --enable-host-shared, setting up new
	PICFLAG variable.
	* Makefile.am: Add PICFLAG to libz_a_CFLAGS.
	* Makefile.in: Regenerate.
	* configure: Regenerate.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@203632 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 13 insertions, 0 deletions

diff --git a/libdecnumber/configure b/libdecnumber/configure
index 4a1896e1b97..2720f46ff7f 100755
--- a/libdecnumber/configure
+++ b/libdecnumber/configure
@@ -593,6 +593,7 @@ ac_includes_default="\
 
 ac_subst_vars='LTLIBOBJS
 LIBOBJS
+PICFLAG
 ADDITIONAL_OBJS
 enable_decimal_float
 target_os
@@ -670,6 +671,7 @@ enable_option_checking
 enable_werror_always
 enable_maintainer_mode
 enable_decimal_float
+enable_host_shared
 '
       ac_precious_vars='build_alias
 host_alias
@@ -1301,6 +1303,7 @@ Optional Features:
 			enable decimal float extension to C.  Selecting 'bid'
 			or 'dpd' choses which decimal floating point format
 			to use
+  --enable-host-shared    build host code as shared libraries
 
 Some influential environment variables:
   CC          C compiler command
@@ -4889,6 +4892,16 @@ $as_echo "#define AC_APPLE_UNIVERSAL_BUILD 1" >>confdefs.h
  esac
 
 
+# Enable --enable-host-shared.
+# Check whether --enable-host-shared was given.
+if test "${enable_host_shared+set}" = set; then :
+  enableval=$enable_host_shared; PICFLAG=-fPIC
+else
+  PICFLAG=
+fi
+
+
+
 # Output.
 
 ac_config_headers="$ac_config_headers config.h:config.in"