Modern GCC improvements (#1139)

* enable gcc_modern color

* add capability to compile segments with gcc_modern

* macos: install modern gcc

install_deps.sh

@@ -20,7 +20,7 @@ if [[ "$uname" == "Darwin" ]]; then
     fi
 
     # Install packages
-    brew install md5sha1sum ninja gcc nanaian/brew/mips-linux-gnu-binutils || exit 1
+    brew install md5sha1sum ninja gcc nanaian/brew/mips-linux-gnu-binutils nanaian/brew/mips-linux-gnu-gcc || exit 1
     python3 -m pip install -U -r requirements.txt || exit 1
     cp tools/precommit_check_no_assets.sh "$(git rev-parse --git-path hooks)/pre-commit" || exit 1
 

tools/build/configure.py

@@ -75,7 +75,7 @@ def write_ninja_rules(
 
     cflags = f"-c -G0 -O2 -gdwarf-2 -x c -B {BUILD_TOOLS}/cc/gcc/ {extra_cflags}"
 
-    cflags_modern = f"-c -G0 -O2 -gdwarf-2 -fno-builtin-bcopy -fno-tree-loop-distribute-patterns -funsigned-char -mgp32 -mfp32 -mabi=32 -mfix4300 -march=vr4300 -mno-gpopt -fno-toplevel-reorder -mno-abicalls -fno-pic -fno-exceptions -fno-stack-protector -fno-zero-initialized-in-bss -Wno-builtin-declaration-mismatch -x c {extra_cflags}"
+    cflags_modern = f"-c -G0 -O2 -gdwarf-2 -fdiagnostics-color=always -fno-builtin-bcopy -fno-tree-loop-distribute-patterns -funsigned-char -mgp32 -mfp32 -mabi=32 -mfix4300 -march=vr4300 -mno-gpopt -fno-toplevel-reorder -mno-abicalls -fno-pic -fno-exceptions -fno-stack-protector -fno-zero-initialized-in-bss -Wno-builtin-declaration-mismatch -x c {extra_cflags}"
 
     cflags_272 = f"-c -G0 -mgp32 -mfp32 -mips3 {extra_cflags}"
     cflags_272 = cflags_272.replace("-ggdb3", "-g1")
@@ -146,7 +146,7 @@ def write_ninja_rules(
 
     ninja.rule(
         "cc_modern",
-        description="gcc $in",
+        description="gcc_modern $in",
         command=f"bash -o pipefail -c '{cpp} {CPPFLAGS} {extra_cppflags} $cppflags -MD -MF $out.d $in -o - | $iconv | {ccache}{cc_modern} {cflags_modern} $cflags - -o $out'",
         depfile="$out.d",
         deps="gcc",
@@ -672,6 +672,9 @@ def build(
                 elif "egcs" in cflags:
                     task = "cc_egcs"
                     cflags = cflags.replace("egcs", "")
+                elif "gcc_modern" in cflags:
+                    task = "cc_modern"
+                    cflags = cflags.replace("gcc_modern", "")
 
                 encoding = "CP932"  # similar to SHIFT-JIS, but includes backslash and tilde
                 if version == "ique":