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-rw-r--r--libcpp/ChangeLog6
-rw-r--r--libcpp/include/cpplib.h3
-rw-r--r--libcpp/init.c5
3 files changed, 13 insertions, 1 deletions
diff --git a/libcpp/ChangeLog b/libcpp/ChangeLog
index e240b2c..fd08a33 100644
--- a/libcpp/ChangeLog
+++ b/libcpp/ChangeLog
@@ -1,3 +1,9 @@
+2018-10-17 Joseph Myers <joseph@codesourcery.com>
+
+ * include/cpplib.h (enum c_lang): Add CLK_GNUC2X and CLK_STDC2X.
+ * init.c (lang_defaults): Add GNUC2X and STDC2X entries.
+ (cpp_init_builtins): Define __STDC_VERSION__ to 202000L for C2X.
+
2018-10-11 David Malcolm <dmalcolm@redhat.com>
* macro.c (_cpp_arguments_ok): If the argument count is wrong, add
diff --git a/libcpp/include/cpplib.h b/libcpp/include/cpplib.h
index 797cfb9..a9b4fb3 100644
--- a/libcpp/include/cpplib.h
+++ b/libcpp/include/cpplib.h
@@ -167,8 +167,9 @@ enum cpp_ttype
#undef TK
/* C language kind, used when calling cpp_create_reader. */
-enum c_lang {CLK_GNUC89 = 0, CLK_GNUC99, CLK_GNUC11, CLK_GNUC17,
+enum c_lang {CLK_GNUC89 = 0, CLK_GNUC99, CLK_GNUC11, CLK_GNUC17, CLK_GNUC2X,
CLK_STDC89, CLK_STDC94, CLK_STDC99, CLK_STDC11, CLK_STDC17,
+ CLK_STDC2X,
CLK_GNUCXX, CLK_CXX98, CLK_GNUCXX11, CLK_CXX11,
CLK_GNUCXX14, CLK_CXX14, CLK_GNUCXX17, CLK_CXX17,
CLK_GNUCXX2A, CLK_CXX2A, CLK_ASM};
diff --git a/libcpp/init.c b/libcpp/init.c
index 32a5956..9b7490b 100644
--- a/libcpp/init.c
+++ b/libcpp/init.c
@@ -100,11 +100,13 @@ static const struct lang_flags lang_defaults[] =
/* GNUC99 */ { 1, 0, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 1 },
/* GNUC11 */ { 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 0, 0, 0, 0, 1 },
/* GNUC17 */ { 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 0, 0, 0, 0, 1 },
+ /* GNUC2X */ { 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 0, 0, 0, 0, 1 },
/* STDC89 */ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0 },
/* STDC94 */ { 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 0, 0 },
/* STDC99 */ { 1, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0, 1, 0, 0 },
/* STDC11 */ { 1, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0 },
/* STDC17 */ { 1, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0 },
+ /* STDC2X */ { 1, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0 },
/* GNUCXX */ { 0, 1, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1 },
/* CXX98 */ { 0, 1, 0, 1, 0, 1, 1, 0, 0, 0, 0, 0, 1, 0, 0 },
/* GNUCXX11 */ { 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1 },
@@ -521,6 +523,9 @@ cpp_init_builtins (cpp_reader *pfile, int hosted)
_cpp_define_builtin (pfile, "__ASSEMBLER__ 1");
else if (CPP_OPTION (pfile, lang) == CLK_STDC94)
_cpp_define_builtin (pfile, "__STDC_VERSION__ 199409L");
+ else if (CPP_OPTION (pfile, lang) == CLK_STDC2X
+ || CPP_OPTION (pfile, lang) == CLK_GNUC2X)
+ _cpp_define_builtin (pfile, "__STDC_VERSION__ 202000L");
else if (CPP_OPTION (pfile, lang) == CLK_STDC17
|| CPP_OPTION (pfile, lang) == CLK_GNUC17)
_cpp_define_builtin (pfile, "__STDC_VERSION__ 201710L");