unify 64-bit bfd checks

Move the 64-bit bfd logic out of bfd/configure.ac and into bfd64.m4
under config so it can be shared between all the other subdirs.

This replaces want64 with enable_64_bit_bfd which was already being
declared, but not used directly.

5 files changed, 80 insertions, 13 deletions

diff --git a/bfd/Makefile.in b/bfd/Makefile.in
index a838262..69a8848 100644
--- a/bfd/Makefile.in
+++ b/bfd/Makefile.in
@@ -114,6 +114,7 @@ target_triplet = @target@
 subdir = .
 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
 am__aclocal_m4_deps = $(top_srcdir)/../config/acx.m4 \
+	$(top_srcdir)/../config/bfd64.m4 \
 	$(top_srcdir)/../config/depstand.m4 \
 	$(top_srcdir)/../config/gettext-sister.m4 \
 	$(top_srcdir)/../config/jobserver.m4 \
diff --git a/bfd/aclocal.m4 b/bfd/aclocal.m4
index a62ee4d..0f8aa1d 100644
--- a/bfd/aclocal.m4
+++ b/bfd/aclocal.m4
@@ -1168,6 +1168,7 @@ AC_SUBST([am__untar])
 ]) # _AM_PROG_TAR
 
 m4_include([../config/acx.m4])
+m4_include([../config/bfd64.m4])
 m4_include([../config/depstand.m4])
 m4_include([../config/gettext-sister.m4])
 m4_include([../config/jobserver.m4])
diff --git a/bfd/configure b/bfd/configure
index d4aa217..b09702f 100755
--- a/bfd/configure
+++ b/bfd/configure
@@ -697,6 +697,8 @@ REPORT_BUGS_TEXI
 REPORT_BUGS_TO
 PKGVERSION
 DEBUGDIR
+ENABLE_BFD_64_BIT_FALSE
+ENABLE_BFD_64_BIT_TRUE
 PLUGINS_FALSE
 PLUGINS_TRUE
 LARGEFILE_CPPFLAGS
@@ -11084,7 +11086,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11087 "configure"
+#line 11089 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -11190,7 +11192,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11193 "configure"
+#line 11195 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -11847,12 +11849,71 @@ fi
 
 # Check whether --enable-64-bit-bfd was given.
 if test "${enable_64_bit_bfd+set}" = set; then :
-  enableval=$enable_64_bit_bfd; case "${enableval}" in
-  yes)  want64=true  ;;
-  no)   want64=false ;;
-  *)    as_fn_error $? "bad value ${enableval} for 64-bit-bfd option" "$LINENO" 5 ;;
+  enableval=$enable_64_bit_bfd; case $enableval in #(
+  yes|no) :
+     ;; #(
+  *) :
+    as_fn_error $? "bad value ${enableval} for 64-bit-bfd option" "$LINENO" 5 ;; #(
+  *) :
+     ;;
 esac
 else
+  enable_64_bit_bfd=no
+fi
+
+
+if test "x$enable_64_bit_bfd" = "xno"; then :
+    # The cast to long int works around a bug in the HP C Compiler
+# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
+# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
+# This bug is HP SR number 8606223364.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of void *" >&5
+$as_echo_n "checking size of void *... " >&6; }
+if ${ac_cv_sizeof_void_p+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (void *))" "ac_cv_sizeof_void_p"        "$ac_includes_default"; then :
+
+else
+  if test "$ac_cv_type_void_p" = yes; then
+     { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error 77 "cannot compute sizeof (void *)
+See \`config.log' for more details" "$LINENO" 5; }
+   else
+     ac_cv_sizeof_void_p=0
+   fi
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_void_p" >&5
+$as_echo "$ac_cv_sizeof_void_p" >&6; }
+
+
+
+cat >>confdefs.h <<_ACEOF
+#define SIZEOF_VOID_P $ac_cv_sizeof_void_p
+_ACEOF
+
+
+  if test "x$ac_cv_sizeof_void_p" = "x8"; then :
+  enable_64_bit_bfd=yes
+fi
+
+fi
+
+ if test "x$enable_64_bit_bfd" = "xyes"; then
+  ENABLE_BFD_64_BIT_TRUE=
+  ENABLE_BFD_64_BIT_FALSE='#'
+else
+  ENABLE_BFD_64_BIT_TRUE='#'
+  ENABLE_BFD_64_BIT_FALSE=
+fi
+
+
+if test $enable_64_bit_bfd = yes ; then
+  want64=true
+else
   want64=false
 fi
 
@@ -15182,6 +15243,10 @@ if test -z "${PLUGINS_TRUE}" && test -z "${PLUGINS_FALSE}"; then
   as_fn_error $? "conditional \"PLUGINS\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
+if test -z "${ENABLE_BFD_64_BIT_TRUE}" && test -z "${ENABLE_BFD_64_BIT_FALSE}"; then
+  as_fn_error $? "conditional \"ENABLE_BFD_64_BIT\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
 if test -z "${MAINTAINER_MODE_TRUE}" && test -z "${MAINTAINER_MODE_FALSE}"; then
   as_fn_error $? "conditional \"MAINTAINER_MODE\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
diff --git a/bfd/configure.ac b/bfd/configure.ac
index a578c3a..bdc2fc4 100644
--- a/bfd/configure.ac
+++ b/bfd/configure.ac
@@ -82,13 +82,12 @@ if test x$ac_checking != x ; then
   AC_DEFINE(ENABLE_CHECKING, 1, [Define if you want run-time sanity checks.])
 fi
 
-AC_ARG_ENABLE(64-bit-bfd,
-[  --enable-64-bit-bfd     64-bit support (on hosts with narrower word sizes)],
-[case "${enableval}" in
-  yes)  want64=true  ;;
-  no)   want64=false ;;
-  *)    AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
-esac],[want64=false])dnl
+BFD_64_BIT
+if test $enable_64_bit_bfd = yes ; then
+  want64=true
+else
+  want64=false
+fi
 
 AC_ARG_ENABLE(targets,
 [  --enable-targets        alternative target configurations],
diff --git a/bfd/doc/Makefile.in b/bfd/doc/Makefile.in
index c070dd8..f4d1ba7 100644
--- a/bfd/doc/Makefile.in
+++ b/bfd/doc/Makefile.in
@@ -109,6 +109,7 @@ target_triplet = @target@
 subdir = doc
 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
 am__aclocal_m4_deps = $(top_srcdir)/../config/acx.m4 \
+	$(top_srcdir)/../config/bfd64.m4 \
 	$(top_srcdir)/../config/depstand.m4 \
 	$(top_srcdir)/../config/gettext-sister.m4 \
 	$(top_srcdir)/../config/jobserver.m4 \