libgo: only build syscall test with -static if it works

Test whether -static works, and use it if possible.

This time for sure.

For PR go/95061

Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/234024

1 files changed, 46 insertions, 2 deletions

diff --git a/libgo/configure b/libgo/configure
index 2f787392abd..2a9c7e61f63 100755
--- a/libgo/configure
+++ b/libgo/configure
@@ -633,6 +633,8 @@ ac_subst_vars='am__EXEEXT_FALSE
 am__EXEEXT_TRUE
 LTLIBOBJS
 LIBOBJS
+HAVE_STATIC_LINK_FALSE
+HAVE_STATIC_LINK_TRUE
 HAVE_STAT_TIMESPEC_FALSE
 HAVE_STAT_TIMESPEC_TRUE
 STRUCT_EPOLL_EVENT_FD_OFFSET
@@ -11490,7 +11492,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11493 "configure"
+#line 11495 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -11596,7 +11598,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11599 "configure"
+#line 11601 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -15788,6 +15790,44 @@ $as_echo "#define HAVE_AS_X86_AES 1" >>confdefs.h
 
 fi
 
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether -static is supported" >&5
+$as_echo_n "checking whether -static is supported... " >&6; }
+if ${libgo_cv_ld_static+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  LDFLAGS_hold=$LDFLAGS
+LDFLAGS="$LDFLAGS -static"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  libgo_cv_ld_static=yes
+else
+  libgo_cv_ld_static=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LDFLAGS=$LDFLAGS_hold
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libgo_cv_ld_static" >&5
+$as_echo "$libgo_cv_ld_static" >&6; }
+ if test "$libgo_cv_ld_static" = yes; then
+  HAVE_STATIC_LINK_TRUE=
+  HAVE_STATIC_LINK_FALSE='#'
+else
+  HAVE_STATIC_LINK_TRUE='#'
+  HAVE_STATIC_LINK_FALSE=
+fi
+
+
 cat >confcache <<\_ACEOF
 # This file is a shell script that caches the results of configure
 # tests run on this system so they can be shared between configure
@@ -16108,6 +16148,10 @@ if test -z "${HAVE_STAT_TIMESPEC_TRUE}" && test -z "${HAVE_STAT_TIMESPEC_FALSE}"
   as_fn_error $? "conditional \"HAVE_STAT_TIMESPEC\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
+if test -z "${HAVE_STATIC_LINK_TRUE}" && test -z "${HAVE_STATIC_LINK_FALSE}"; then
+  as_fn_error $? "conditional \"HAVE_STATIC_LINK\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
 
 : "${CONFIG_STATUS=./config.status}"
 ac_write_fail=0