0031-make-gcc-plugins-work-for-the-sdk.patch

From a426b2c12053304035854184976637a665d3396a Mon Sep 17 00:00:00 2001
From: Lionel VITTE <lionel.vitte@st.com>
Date: Wed, 1 Feb 2023 15:29:23 +0100
Subject: [PATCH] make gcc-plugins work for the sdk

Upstream-Status: Pending
---
 config/gcc-plugin.m4 | 11 ++++++++++-
 gcc/configure        | 12 +++++++++++-
 gcc/plugin.c         |  5 +++++
 3 files changed, 26 insertions(+), 2 deletions(-)

diff --git a/config/gcc-plugin.m4 b/config/gcc-plugin.m4
index 8f2787191..966d4c14e 100644
--- a/config/gcc-plugin.m4
+++ b/config/gcc-plugin.m4
@@ -77,7 +77,16 @@ AC_DEFUN([GCC_ENABLE_PLUGINS],
 	 AC_MSG_RESULT([$plugin_rdynamic])
        fi
      else
-       AC_MSG_RESULT([unable to check])
+       case "${host}" in
+         *-*-linux*)
+           AC_MSG_RESULT([unable to check, guessing -rdynamic is needed])
+           plugin_rdynamic=yes
+           pluginlibs="-rdynamic"
+         ;;
+         *)
+           AC_MSG_RESULT([unable to check])
+         ;;
+       esac
      fi
 
      # Check -ldl
diff --git a/gcc/configure b/gcc/configure
index 27ca7dfa4..a731fbbdc 100755
--- a/gcc/configure
+++ b/gcc/configure
@@ -32137,8 +32137,18 @@ $as_echo_n "checking for -rdynamic... " >&6; }
 $as_echo "$plugin_rdynamic" >&6; }
        fi
      else
-       { $as_echo "$as_me:${as_lineno-$LINENO}: result: unable to check" >&5
+       case "${host}" in
+         *-*-linux*)
+           { $as_echo "$as_me:${as_lineno-$LINENO}: result: unable to check, guessing -rdynamic is needed" >&5
+$as_echo "unable to check, guessing -rdynamic is needed" >&6; }
+           plugin_rdynamic=yes
+           pluginlibs="-rdynamic"
+         ;;
+         *)
+           { $as_echo "$as_me:${as_lineno-$LINENO}: result: unable to check" >&5
 $as_echo "unable to check" >&6; }
+         ;;
+       esac
      fi
 
      # Check -ldl
diff --git a/gcc/plugin.c b/gcc/plugin.c
index d47fa512a..21a98c223 100644
--- a/gcc/plugin.c
+++ b/gcc/plugin.c
@@ -980,9 +980,14 @@ plugin_default_version_check (struct plugin_gcc_version *gcc_version,
     return false;
   if (strcmp (gcc_version->revision, plugin_version->revision))
     return false;
+#if 0
+  /* In case of a cross compiler, this compares the cross config with the native
+     config, which will always fail, at least for OE. Disable it. */
   if (strcmp (gcc_version->configuration_arguments,
 	      plugin_version->configuration_arguments))
     return false;
+#endif
+
   return true;
 }
 
-- 
2.17.1