[binutils-gdb] Remove support for Intel MIC offloading

[binutils-gdb] Remove support for Intel MIC offloading

[Alan Modra]

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=ddb5be247e4dfda21398edacf976524d7a7d104d

commit ddb5be247e4dfda21398edacf976524d7a7d104d
Author: Thomas Schwinge <thomas@codesourcery.com>
Date:   Mon Aug 7 13:07:15 2023 +0200

    Remove support for Intel MIC offloading
    
    ... after its deprecation in GCC 12.
    
            * Makefile.def: Remove module 'liboffloadmic'.
            * configure.ac: Remove 'liboffloadmic' handling.

Diff:
---
 Makefile.def |  8 --------
 configure.ac | 57 ++-------------------------------------------------------
 2 files changed, 2 insertions(+), 63 deletions(-)

diff --git a/Makefile.def b/Makefile.def
index 705602ce0f4..fc6219a2514 100644
--- a/Makefile.def
+++ b/Makefile.def
@@ -165,9 +165,6 @@ target_modules = { module= libvtv;
 		   bootstrap=true;
 		   lib_path=.libs;
 		   raw_cxx=true; };
-target_modules = { module= liboffloadmic;
-		   lib_path=.libs;
-		   extra_configure_flags='@extra_liboffloadmic_configure_flags@'; };
 target_modules = { module= libssp; lib_path=.libs; };
 target_modules = { module= newlib; };
 target_modules = { module= libgcc; bootstrap=true; no_check=true;
@@ -632,7 +629,6 @@ dependencies = { module=all-m4; on=all-build-texinfo; };
 // on libgcc and newlib/libgloss.
 lang_env_dependencies = { module=libitm; cxx=true; };
 lang_env_dependencies = { module=libffi; cxx=true; };
-lang_env_dependencies = { module=liboffloadmic; cxx=true; };
 lang_env_dependencies = { module=newlib; no_c=true; };
 lang_env_dependencies = { module=libgloss; no_c=true; };
 lang_env_dependencies = { module=libgcc; no_gcc=true; no_c=true; };
@@ -655,14 +651,12 @@ dependencies = { module=all-target-libphobos; on=all-target-libbacktrace; };
 dependencies = { module=all-target-libphobos; on=all-target-zlib; };
 dependencies = { module=all-target-libphobos; on=all-target-libatomic; };
 dependencies = { module=configure-target-libstdc++-v3; on=configure-target-libgomp; };
-dependencies = { module=configure-target-liboffloadmic; on=configure-target-libgomp; };
 dependencies = { module=configure-target-libsanitizer; on=all-target-libstdc++-v3; };
 dependencies = { module=configure-target-libvtv; on=all-target-libstdc++-v3; };
 // parallel_list.o and parallel_settings.o depend on omp.h, which is
 // generated by the libgomp configure.  Unfortunately, due to the use of
 //  recursive make, we can't be that specific.
 dependencies = { module=all-target-libstdc++-v3; on=configure-target-libgomp; };
-dependencies = { module=all-target-liboffloadmic; on=all-target-libgomp; };
 
 dependencies = { module=install-target-libgo; on=install-target-libatomic; };
 dependencies = { module=install-target-libgfortran; on=install-target-libquadmath; };
@@ -672,8 +666,6 @@ dependencies = { module=install-target-libsanitizer; on=install-target-libstdc++
 dependencies = { module=install-target-libsanitizer; on=install-target-libgcc; };
 dependencies = { module=install-target-libvtv; on=install-target-libstdc++-v3; };
 dependencies = { module=install-target-libvtv; on=install-target-libgcc; };
-dependencies = { module=install-target-liboffloadmic; on=install-target-libstdc++-v3; };
-dependencies = { module=install-target-liboffloadmic; on=install-target-libgcc; };
 dependencies = { module=install-target-libitm; on=install-target-libgcc; };
 dependencies = { module=install-target-libobjc; on=install-target-libgcc; };
 dependencies = { module=install-target-libstdc++-v3; on=install-target-libgcc; };
diff --git a/configure.ac b/configure.ac
index ba9c33e5f98..1f7877c8f4a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -151,7 +151,6 @@ target_libraries="target-libgcc \
 		target-libgloss \
 		target-newlib \
 		target-libgomp \
-		target-liboffloadmic \
 		target-libatomic \
 		target-libitm \
 		target-libstdc++-v3 \
@@ -515,42 +514,6 @@ ENABLE_LIBSTDCXX=default)
   noconfigdirs="$noconfigdirs target-libstdc++-v3"
 fi]
 
-# If this is accelerator compiler and its target is intelmic we enable
-# target liboffloadmic by default.  If this is compiler with offloading
-# for intelmic we enable host liboffloadmic by default.  Otherwise
-# liboffloadmic is disabled by default.
-AC_ARG_ENABLE([liboffloadmic],
-AC_HELP_STRING([[--enable-liboffloadmic[=ARG]]],
-	       [build liboffloadmic @<:@ARG={no,host,target}@:>@]),
-[case "$enableval" in
-  no | host | target)
-    enable_liboffloadmic=$enableval ;;
-  *)
-    AC_MSG_ERROR([--enable-liboffloadmic=no/host/target]) ;;
-esac],
-[if test x"$enable_as_accelerator_for" != x; then
-  case "${target}" in
-    *-intelmic-* | *-intelmicemul-*)
-      enable_liboffloadmic=target
-      extra_liboffloadmic_configure_flags="--enable-liboffloadmic=target"
-      ;;
-    *)
-      enable_liboffloadmic=no
-      ;;
-  esac
-else
-  case "${enable_offload_targets}" in
-    *-intelmic-* | *-intelmicemul-*)
-      enable_liboffloadmic=host
-      extra_liboffloadmic_configure_flags="--enable-liboffloadmic=host"
-      ;;
-    *)
-      enable_liboffloadmic=no
-      ;;
-    esac
-fi])
-AC_SUBST(extra_liboffloadmic_configure_flags)
-
 # Enable libgomp by default on hosted POSIX systems, and a few others.
 if test x$enable_libgomp = x ; then
     case "${target}" in
@@ -586,22 +549,6 @@ if test -d ${srcdir}/libatomic; then
     fi
 fi
 
-# Disable liboffloadmic on unsupported systems.
-if test -d ${srcdir}/liboffloadmic; then
-    if test x$enable_liboffloadmic != xno; then
-	AC_MSG_CHECKING([for liboffloadmic support])
-	if (srcdir=${srcdir}/liboffloadmic; \
-		. ${srcdir}/configure.tgt; \
-		test -n "$UNSUPPORTED")
-	then
-	    AC_MSG_RESULT([no])
-	    noconfigdirs="$noconfigdirs target-liboffloadmic"
-	else
-	    AC_MSG_RESULT([yes])
-	fi
-    fi
-fi
-
 # Disable libitm on unsupported systems.
 if test -d ${srcdir}/libitm; then
     if test x$enable_libitm = x; then
@@ -2488,7 +2435,7 @@ case ,${enable_languages},:${enable_objc_gc} in *,objc,*:yes|*,objc,*:auto)
   fi
 esac
 
-# Disable libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++
+# Disable libitm, libsanitizer, libvtv if we're not building C++
 case ,${enable_languages}, in
   *,c++,*)
     # Disable libitm, libsanitizer if we're not building libstdc++
@@ -2500,7 +2447,7 @@ case ,${enable_languages}, in
     esac
     ;;
   *)
-    noconfigdirs="$noconfigdirs target-liboffloadmic target-libitm target-libsanitizer target-libvtv"
+    noconfigdirs="$noconfigdirs target-libitm target-libsanitizer target-libvtv"
     ;;
 esac