9.2.0: fix libcpp ar detection

Reported-by: Agostino Sarubbo
Bug: https://bugs.gentoo.org/718004
Bug: https://gcc.gnu.org/PR94657
Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>

2 files changed, 144 insertions, 0 deletions

diff --git a/9.2.0/gentoo/38_all_libcpp-ar.patch b/9.2.0/gentoo/38_all_libcpp-ar.patch
new file mode 100644
index 0000000..55f2944
--- /dev/null
+++ b/9.2.0/gentoo/38_all_libcpp-ar.patch
@@ -0,0 +1,143 @@
+https://bugs.gentoo.org/718004
+https://gcc.gnu.org/PR94657
+
+Make sue we use ${CHOST}-ar and not 'ar'.
+
+--- a/libcpp/configure.ac
++++ b/libcpp/configure.ac
+@@ -12,6 +12,7 @@ AC_PROG_INSTALL
+ AC_PROG_CC
+ AC_PROG_CXX
+ AC_PROG_RANLIB
++AC_CHECK_TOOL(AR, ar)
+ 
+ AC_USE_SYSTEM_EXTENSIONS
+ AC_SYS_LARGEFILE
+--- a/libcpp/Makefile.in
++++ b/libcpp/Makefile.in
+@@ -25,7 +25,7 @@ srcdir = @srcdir@
+ top_builddir = .
+ VPATH = @srcdir@
+ INSTALL = @INSTALL@
+-AR = ar
++AR = @AR@
+ ARFLAGS = cru
+ ACLOCAL = @ACLOCAL@
+ AUTOCONF = @AUTOCONF@
+--- a/libcpp/configure
++++ b/libcpp/configure
+@@ -657,6 +657,7 @@ ACLOCAL
+ EGREP
+ GREP
+ CPP
++AR
+ RANLIB
+ ac_ct_CXX
+ CXXFLAGS
+@@ -1038,6 +1039,7 @@ do
+   | -silent | --silent | --silen | --sile | --sil)
+     silent=yes ;;
+ 
++
+   -sbindir | --sbindir | --sbindi | --sbind | --sbin | --sbi | --sb)
+     ac_prev=sbindir ;;
+   -sbindir=* | --sbindir=* | --sbindi=* | --sbind=* | --sbin=* \
+@@ -4006,6 +4008,98 @@ else
+   RANLIB="$ac_cv_prog_RANLIB"
+ fi
+ 
++if test -n "$ac_tool_prefix"; then
++  # Extract the first word of "${ac_tool_prefix}ar", so it can be a program name with args.
++set dummy ${ac_tool_prefix}ar; ac_word=$2
++{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
++$as_echo_n "checking for $ac_word... " >&6; }
++if ${ac_cv_prog_AR+:} false; then :
++  $as_echo_n "(cached) " >&6
++else
++  if test -n "$AR"; then
++  ac_cv_prog_AR="$AR" # Let the user override the test.
++else
++as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
++for as_dir in $PATH
++do
++  IFS=$as_save_IFS
++  test -z "$as_dir" && as_dir=.
++    for ac_exec_ext in '' $ac_executable_extensions; do
++  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
++    ac_cv_prog_AR="${ac_tool_prefix}ar"
++    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
++    break 2
++  fi
++done
++  done
++IFS=$as_save_IFS
++
++fi
++fi
++AR=$ac_cv_prog_AR
++if test -n "$AR"; then
++  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AR" >&5
++$as_echo "$AR" >&6; }
++else
++  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
++$as_echo "no" >&6; }
++fi
++
++
++fi
++if test -z "$ac_cv_prog_AR"; then
++  ac_ct_AR=$AR
++  # Extract the first word of "ar", so it can be a program name with args.
++set dummy ar; ac_word=$2
++{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
++$as_echo_n "checking for $ac_word... " >&6; }
++if ${ac_cv_prog_ac_ct_AR+:} false; then :
++  $as_echo_n "(cached) " >&6
++else
++  if test -n "$ac_ct_AR"; then
++  ac_cv_prog_ac_ct_AR="$ac_ct_AR" # Let the user override the test.
++else
++as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
++for as_dir in $PATH
++do
++  IFS=$as_save_IFS
++  test -z "$as_dir" && as_dir=.
++    for ac_exec_ext in '' $ac_executable_extensions; do
++  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
++    ac_cv_prog_ac_ct_AR="ar"
++    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
++    break 2
++  fi
++done
++  done
++IFS=$as_save_IFS
++
++fi
++fi
++ac_ct_AR=$ac_cv_prog_ac_ct_AR
++if test -n "$ac_ct_AR"; then
++  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_AR" >&5
++$as_echo "$ac_ct_AR" >&6; }
++else
++  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
++$as_echo "no" >&6; }
++fi
++
++  if test "x$ac_ct_AR" = x; then
++    AR=""
++  else
++    case $cross_compiling:$ac_tool_warned in
++yes:)
++{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
++$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
++ac_tool_warned=yes ;;
++esac
++    AR=$ac_ct_AR
++  fi
++else
++  AR="$ac_cv_prog_AR"
++fi
++
+ 
+ 
+ ac_ext=c
diff --git a/9.2.0/gentoo/README.history b/9.2.0/gentoo/README.history
index b0acdb5..0a433e0 100644
--- a/9.2.0/gentoo/README.history
+++ b/9.2.0/gentoo/README.history
@@ -1,5 +1,6 @@
 6		11 Mar 2019
 	+ 37_all_whitespace-pa.patch
+	+ 38_all_libcpp-ar.patch
 
 5		15 Feb 2020
 	+ 34_all_ia64-neg-insn-cost.patch