From f43c2dd5c758b251c1245c6c62b9c0a06d5e00a2 Mon Sep 17 00:00:00 2001
From: Sergey Fedorov <vital.had@gmail.com>
Date: Fri, 19 Dec 2025 06:18:53 +0800
Subject: [PATCH] Support powerpc-darwin


diff --git a/compiler/installer.ini b/compiler/installer.ini
index 7db6182dc..507299eb6 100644
--- a/compiler/installer.ini
+++ b/compiler/installer.ini
@@ -7,7 +7,7 @@ Version: "$version"
 Platforms: """
   windows: i386;amd64
   linux: i386;hppa;ia64;alpha;amd64;powerpc64;arm;sparc;sparc64;s390x;m68k;mips;mipsel;mips64;mips64el;powerpc;powerpc64el;arm64;riscv32;riscv64;loongarch64
-  macosx: i386;amd64;powerpc64;arm64
+  macosx: i386;amd64;powerpc;powerpc64;arm64
   solaris: i386;amd64;sparc;sparc64
   freebsd: i386;amd64;powerpc64;arm;arm64;riscv64;sparc64;mips;mipsel;mips64;mips64el;powerpc;powerpc64el
   netbsd: i386;amd64;arm64
diff --git a/config/nim.cfg b/config/nim.cfg
index 038c3c9be..d596d6df7 100644
--- a/config/nim.cfg
+++ b/config/nim.cfg
@@ -193,7 +193,7 @@
   tlsEmulation:on
 @end
 
-@if macosx or freebsd or openbsd:
+@if freebsd or openbsd:
   cc = clang
   gcc.options.always %= "-w ${gcc.maxerrorsimpl}"
   gcc.cpp.options.always %= "-w ${gcc.maxerrorsimpl} -fpermissive"
diff --git a/lib/cycle.h b/lib/cycle.h
index 4d714ba3f..ef9df3cb5 100644
--- a/lib/cycle.h
+++ b/lib/cycle.h
@@ -133,7 +133,7 @@ static __inline double elapsed(ticks t1, ticks t0) /* time in nanoseconds */
 /*
  * PowerPC ``cycle'' counter using the time base register.
  */
-#if ((((defined(__GNUC__) && (defined(__powerpc__) || defined(__ppc__))) || (defined(__MWERKS__) && defined(macintosh)))) || (defined(__IBM_GCC_ASM) && (defined(__powerpc__) || defined(__ppc__))))  && !defined(HAVE_TICK_COUNTER)
+#if ((((defined(__GNUC__) && (defined(__powerpc__) || defined(__POWERPC__))) || (defined(__MWERKS__) && defined(macintosh)))) || (defined(__IBM_GCC_ASM) && (defined(__powerpc__) || defined(__ppc__))))  && !defined(HAVE_TICK_COUNTER)
 typedef unsigned long long ticks;
 
 static __inline__ ticks getticks(void)
diff --git a/tools/niminst/buildsh.nimf b/tools/niminst/buildsh.nimf
index 2ef1874cb..49f3cc256 100644
--- a/tools/niminst/buildsh.nimf
+++ b/tools/niminst/buildsh.nimf
@@ -126,11 +126,14 @@ case $uos in
     ;;
   *darwin* )
     myos="macosx"
-    CC="clang"
+    CC="gcc"
     LINK_FLAGS="$LINK_FLAGS -ldl -lm"
     if [ "$HOSTTYPE" = "x86_64" ] ; then
       ucpu="amd64"
     fi
+    if [ "$HOSTTYPE" = "powerpc" ] ; then
+      ucpu="powerpc"
+    fi
     ;;
   *aix* )
     myos="aix"
@@ -204,6 +207,15 @@ case $ucpu in
         powerpc64le)
         mycpu="powerpc64el"
       esac
+    elif [ "$myos" = "macosx" ] ; then
+      mycpu="$("$CC" -dumpmachine | sed 's/-.*//')"
+      if [ "$mycpu" = "powerpc64" ] ; then
+        COMP_FLAGS="$COMP_FLAGS -arch ppc64"
+        LINK_FLAGS="$LINK_FLAGS -arch ppc64"
+      else
+        COMP_FLAGS="$COMP_FLAGS -arch ppc"
+        LINK_FLAGS="$LINK_FLAGS -arch ppc"
+      fi
     else
       mycpu="powerpc"
     fi
diff --git a/tools/niminst/makefile.nimf b/tools/niminst/makefile.nimf
index 002bc0592..54c52ecb8 100644
--- a/tools/niminst/makefile.nimf
+++ b/tools/niminst/makefile.nimf
@@ -49,11 +49,14 @@ ifeq ($(uos),netbsd)
 endif
 ifeq ($(uos),darwin)
   myos = macosx
-  CC = clang
+  CC = gcc
   LDFLAGS += -ldl -lm
   ifeq ($(HOSTTYPE),x86_64)
     ucpu = amd64
   endif
+  ifeq ($(HOSTTYPE),powerpc)
+    ucpu = powerpc
+  endif
 endif
 ifeq ($(uos),aix)
   myos = aix
@@ -140,6 +143,16 @@ ifeq ($(ucpu),powerpc)
       mycpu = powerpc64el
     endif
   endif
+  ifeq ($(myos),macosx)
+    mycpu = $(shell /bin/sh -c '"$(CC)" -dumpmachine | sed "s/-.*//"')
+    ifeq ($(mycpu),powerpc64)
+      CFLAGS += -arch ppc64
+      LDFLAGS += -arch ppc64
+    else
+      CFLAGS += -arch ppc
+      LDFLAGS += -arch ppc
+    endif
+  endif
 endif
 ifeq ($(ucpu),ppc)
    mycpu = powerpc

--- a/lib/posix/posix.nim	2025-10-31 10:02:44.000000000 +0800
+++ b/lib/posix/posix.nim	2025-12-21 00:48:59.000000000 +0800
@@ -104,7 +104,7 @@
   include posix_linux_amd64
 elif defined(openbsd) and defined(amd64):
   include posix_openbsd_amd64
-elif (defined(macos) or defined(macosx) or defined(bsd)) and defined(cpu64):
+elif (defined(macos) or defined(macosx) or defined(osx) or defined(bsd)):
   include posix_macos_amd64
 elif defined(nintendoswitch):
   include posix_nintendoswitch

--- a/lib/nimbase.h	2025-10-31 10:02:44.000000000 +0800
+++ b/lib/nimbase.h	2025-12-22 09:36:54.000000000 +0800
@@ -316,6 +316,9 @@
 #endif
 
 /* bool types (C++ has it): */
+#ifdef __ppc__
+typedef unsigned char NIM_BOOL; // In Darwin ppc ABI bool is 4-bytes.
+#else
 #ifdef __cplusplus
 #define NIM_BOOL bool
 #elif (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901)
@@ -324,6 +327,7 @@
 #else
 typedef unsigned char NIM_BOOL; // best effort
 #endif
+#endif
 
 NIM_STATIC_ASSERT(sizeof(NIM_BOOL) == 1, ""); // check whether really needed
 NIM_STATIC_ASSERT(CHAR_BIT == 8, "");