OS-8584 Introduce gcc14 as the shadow-compiler

Makefile

@@ -122,6 +122,7 @@ LIBSTDCXXVER_6 = 6.0.22
 LIBSTDCXXVER_7 = 6.0.24
 LIBSTDCXXVER_9 = 6.0.28
 LIBSTDCXXVER_10 = 6.0.28
+LIBSTDCXXVER_14 = 6.0.33
 
 all: $(SUBDIRS)
 

gcc14/Makefile

@@ -0,0 +1,35 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright 2021 Joyent, Inc.
+# Copyright 2024 MNX Cloud, Inc.
+#
+
+#
+# The tarball is from a specific tagged release of
+# https://github.com/illumos/gcc repository.  This includes all of the
+# illumos-specific modifications we need.  We could probably do a git clone
+# instead, but the tarball method is easier given these Makefiles.
+#
+
+include ../Makefile.defs
+
+BUILD64=yes
+BUILD32=
+
+GCC_VER = 14
+VER = gcc-14.2.0-il-1
+MPFR_VER = mpfr-4.2.1
+GMP_VER = gmp-6.3.0
+MPC_VER = mpc-1.3.1
+
+include ../Makefile.gcc

gcc14/Patches/1000-ld-flags.patch

@@ -0,0 +1,41 @@
+From 6d60d54cd43708f73bc54aa464047c5e5c15c7ab Mon Sep 17 00:00:00 2001
+From: Andy Fiddaman <[email protected]>
+Date: Thu, 9 May 2019 13:43:30 +0000
+Subject: OOCE: Adjust default library paths for OmniOS
+
+---
+ gcc/config/sol2.h | 10 ++++++----
+ 1 file changed, 6 insertions(+), 4 deletions(-)
+
+diff --git a/gcc/config/sol2.h b/gcc/config/sol2.h
+index 0e1fbaeaf863..3bfeab05bc40 100644
+--- a/gcc/config/sol2.h
++++ b/gcc/config/sol2.h
+@@ -304,12 +304,15 @@ along with GCC; see the file COPYING3.  If not see
+   "%{Ofast|ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}} \
+    %(endfile_arch) %(endfile_vtv) %(endfile_crtend) crtn.o%s"
+
++#define STRINGIFY(x) #x
++#define TOSTRING(x) STRINGIFY(x)
++#define GNUCMAJOR TOSTRING(__GNUC__)
++
+ #undef LINK_ARCH32_SPEC_BASE
+ #define LINK_ARCH32_SPEC_BASE \
+   "%{YP,*} \
+    %{R*} \
+-   %{!YP,*:%{p|pg:-Y P,%R/usr/lib/libp%R/lib:%R/usr/lib} \
+-	   %{!p:%{!pg:-Y P,%R/lib:%R/usr/lib}}}"
++   %{!YP,*:-Y P,%R/usr/gcc/" GNUCMAJOR "/lib:%R/lib:%R/usr/lib -L %R/usr/gcc/" GNUCMAJOR "/lib -R %R/usr/gcc/" GNUCMAJOR "/lib}"
+
+ #undef LINK_ARCH32_SPEC
+ #define LINK_ARCH32_SPEC LINK_ARCH32_SPEC_BASE
+@@ -320,8 +323,7 @@ along with GCC; see the file COPYING3.  If not see
+ #define LINK_ARCH64_SPEC_BASE \
+   "%{YP,*} \
+    %{R*} \
+-   %{!YP,*:%{p|pg:-Y P,%R/usr/lib/libp/" ARCH64_SUBDIR ":%R/lib/" ARCH64_SUBDIR ":%R/usr/lib/" ARCH64_SUBDIR "}	\
+-	   %{!p:%{!pg:-Y P,%R/lib/" ARCH64_SUBDIR ":%R/usr/lib/" ARCH64_SUBDIR "}}}"
++   %{!YP,*:-Y P,%R/usr/gcc/" GNUCMAJOR "/lib/" ARCH64_SUBDIR ":%R/lib/" ARCH64_SUBDIR ":%R/usr/lib/" ARCH64_SUBDIR " -L %R/usr/gcc/" GNUCMAJOR "/lib/" ARCH64_SUBDIR " -R %R/usr/gcc/" GNUCMAJOR "/lib/" ARCH64_SUBDIR "}"
+
+ #undef LINK_ARCH64_SPEC
+ #ifndef USE_GLD

gcc14/gcc-14.2.0-il-1.tar.gz.sha1

@@ -0,0 +1 @@
+52f7a39caeae0d14f8a94b600fd6b8e436b57b69

gcc14/gmp-6.3.0.tar.bz2.sha1

@@ -0,0 +1 @@
+32d21c4fae046de45e8fce37bf4002236d283b71

gcc14/mpc-1.3.1.tar.gz.sha1

@@ -0,0 +1 @@
+bac1c1fa79f5602df1e29e4684e103ad55714e02

gcc14/mpfr-4.2.1.tar.bz2.sha1

@@ -0,0 +1 @@
+f9dbe49b092e4c8e0a039e6d46c059696cc2f51c