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Subject[PATCH] gcc-common.h: 'params.h' has been dropped in GCC10
Date
Moreover, GCC10 complains about gimple definition. For example,
doing a 'scripts/gcc-plugin.sh g++ g++ gcc' returns:

In file included from <stdin>:1:
./gcc-plugins/gcc-common.h:852:13: error: redefinition of ‘static bool is_a_helper<T>::test(U*) [with U = const gimple; T = const ggoto*]’
852 | inline bool is_a_helper<const ggoto *>::test(const_gimple gs)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ./gcc-plugins/gcc-common.h:125,
from <stdin>:1:
/usr/lib/gcc/x86_64-redhat-linux/10/plugin/include/gimple.h:1037:1: note: ‘static bool is_a_helper<T>::test(U*) [with U = const gimple; T = const ggoto*]’ previously declared here
1037 | is_a_helper <const ggoto *>::test (const gimple *gs)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from <stdin>:1:
./gcc-plugins/gcc-common.h:859:13: error: redefinition of ‘static bool is_a_helper<T>::test(U*) [with U = const gimple; T = const greturn*]’
859 | inline bool is_a_helper<const greturn *>::test(const_gimple gs)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ./gcc-plugins/gcc-common.h:125,
from <stdin>:1:
/usr/lib/gcc/x86_64-redhat-linux/10/plugin/include/gimple.h:1489:1: note: ‘static bool is_a_helper<T>::test(U*) [with U = const gimple; T = const greturn*]’ previously declared here
1489 | is_a_helper <const greturn *>::test (const gimple *gs)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~

A hacky way for solving this is to ignore them for GCC10.

Signed-off-by: Frédéric Pierret (fepitre) <frederic.pierret@qubes-os.org>
---
scripts/gcc-plugins/gcc-common.h | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/scripts/gcc-plugins/gcc-common.h b/scripts/gcc-plugins/gcc-common.h
index 17f06079a712..9ad76b7f3f10 100644
--- a/scripts/gcc-plugins/gcc-common.h
+++ b/scripts/gcc-plugins/gcc-common.h
@@ -35,7 +35,9 @@
#include "ggc.h"
#include "timevar.h"

+#if BUILDING_GCC_VERSION < 10000
#include "params.h"
+#endif

#if BUILDING_GCC_VERSION <= 4009
#include "pointer-set.h"
@@ -847,6 +849,7 @@ static inline gimple gimple_build_assign_with_ops(enum tree_code subcode, tree l
return gimple_build_assign(lhs, subcode, op1, op2 PASS_MEM_STAT);
}

+#if BUILDING_GCC_VERSION < 10000
template <>
template <>
inline bool is_a_helper<const ggoto *>::test(const_gimple gs)
@@ -860,6 +863,7 @@ inline bool is_a_helper<const greturn *>::test(const_gimple gs)
{
return gs->code == GIMPLE_RETURN;
}
+#endif

static inline gasm *as_a_gasm(gimple stmt)
{
--
2.25.2

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