lang/gcc8: Make this build on macOS Catalina

A patch from Homebrew:

https://github.com/Homebrew/homebrew-core/pull/44762

3 files changed, 127 insertions, 1 deletions

diff --git a/lang/gcc8/distinfo b/lang/gcc8/distinfo
index 4a551d15821..32e4218d62b 100644
--- a/lang/gcc8/distinfo
+++ b/lang/gcc8/distinfo
@@ -1,4 +1,4 @@
-$NetBSD: distinfo,v 1.10 2019/08/06 06:16:15 maya Exp $
+$NetBSD: distinfo,v 1.11 2019/10/19 21:20:38 minskim Exp $
 
 SHA1 (gcc-8.3.0.tar.xz) = c27f4499dd263fe4fb01bcc5565917f3698583b2
 RMD160 (gcc-8.3.0.tar.xz) = 59396f7136301466d0ec15eb7307558c0da692df
@@ -9,6 +9,8 @@ RMD160 (isl-0.16.1.tar.bz2) = 5a99db3fe0d0a1f6bbac1ed4448f2403495c55b2
 SHA512 (isl-0.16.1.tar.bz2) = c188667a84dc5bdddb4ab7c35f89c91bf15a8171f4fcaf41301cf285fb7328846d9a367c096012fec4cc69d244f0bc9e95d84c09ec097394cd4093076f2a041b
 Size (isl-0.16.1.tar.bz2) = 1626446 bytes
 SHA1 (patch-contrib_download__prerequisites) = 9cdcde21ab174052911447d20762ddfd40aa8791
+SHA1 (patch-fixincludes_fixincl.x) = e78103bbc1783f18e39cab5f31a73767617b2a79
+SHA1 (patch-fixincludes_inclhack.def) = 7bc5afb89118bf46c66a34a0f325f0748dd081db
 SHA1 (patch-gcc_Makefile.in) = c0f97c75ba1d37eae894141edd58bb36b734f651
 SHA1 (patch-gcc_config.gcc) = 4a971d1df7f05cfaefdf462d1b7c6dea1e838713
 SHA1 (patch-gcc_config_aarch64_aarch64-builtins.c) = b10ef4b9ad39e605fc4e2a0c8dffdae677842e94
diff --git a/lang/gcc8/patches/patch-fixincludes_fixincl.x b/lang/gcc8/patches/patch-fixincludes_fixincl.x
new file mode 100644
index 00000000000..0ec5e1592d3
--- /dev/null
+++ b/lang/gcc8/patches/patch-fixincludes_fixincl.x
@@ -0,0 +1,88 @@
+$NetBSD: patch-fixincludes_fixincl.x,v 1.1 2019/10/19 21:20:38 minskim Exp $
+
+A workaround for Catalina SDK bug from
+https://github.com/Homebrew/homebrew-core/pull/44762
+
+--- fixincludes/fixincl.x.orig	2018-02-22 08:12:26.000000000 -0800
++++ fixincludes/fixincl.x	2019-10-18 18:16:11.000000000 -0700
+@@ -2584,6 +2584,48 @@
+ 
+ /* * * * * * * * * * * * * * * * * * * * * * * * * *
+  *
++ *  Description of Darwin_Availability fix
++ */
++tSCC zDarwin_AvailabilityName[] =
++    "darwin_availability";
++
++/*
++ *  File name selection pattern
++ */
++tSCC zDarwin_AvailabilityList[] =
++  "Availability.h\0";
++/*
++ *  Machine/OS name selection pattern
++ */
++tSCC* apzDarwin_AvailabilityMachs[] = {
++        "*-*-darwin*",
++        (const char*)NULL };
++
++/*
++ *  content selection pattern - do fix if pattern found
++ */
++tSCC zDarwin_AvailabilitySelect0[] =
++       "#endif /\\* __OSX_AVAILABLE_STARTING \\*/";
++
++#define    DARWIN_AVAILABILITY_TEST_CT  1
++static tTestDesc aDarwin_AvailabilityTests[] = {
++  { TT_EGREP,    zDarwin_AvailabilitySelect0, (regex_t*)NULL }, };
++
++/*
++ *  Fix Command Arguments for Darwin_Availability
++ */
++static const char* apzDarwin_AvailabilityPatch[] = {
++    "format",
++    "#endif /* __OSX_AVAILABLE_STARTING */\n\
++#ifndef __OSX_AVAILABLE_STARTING\n\
++  #define __OSX_AVAILABLE_STARTING(_osx, _ios)\n\
++  #define __OSX_AVAILABLE_BUT_DEPRECATED(_osxIntro, _osxDep, _iosIntro, _iosDep)\n\
++  #define __OSX_AVAILABLE_BUT_DEPRECATED_MSG(_osxIntro, _osxDep, _iosIntro, _iosDep, _msg)\n\
++#endif",
++    (char*)NULL };
++
++/* * * * * * * * * * * * * * * * * * * * * * * * * *
++ *
+  *  Description of Darwin_9_Long_Double_Funcs_2 fix
+  */
+ tSCC zDarwin_9_Long_Double_Funcs_2Name[] =
+@@ -10099,9 +10141,9 @@
+  *
+  *  List of all fixes
+  */
+-#define REGEX_COUNT          287
++#define REGEX_COUNT          288
+ #define MACH_LIST_SIZE_LIMIT 187
+-#define FIX_COUNT            249
++#define FIX_COUNT            250
+ 
+ /*
+  *  Enumerate the fixes
+@@ -10168,6 +10210,7 @@
+     CTRL_QUOTES_USE_FIXIDX,
+     CXX_UNREADY_FIXIDX,
+     DARWIN_AVAILABILITYINTERNAL_FIXIDX,
++    DARWIN_AVAILABILITY_FIXIDX,
+     DARWIN_9_LONG_DOUBLE_FUNCS_2_FIXIDX,
+     DARWIN_EXTERNC_FIXIDX,
+     DARWIN_GCC4_BREAKAGE_FIXIDX,
+@@ -10664,6 +10707,11 @@
+      DARWIN_AVAILABILITYINTERNAL_TEST_CT, FD_MACH_ONLY | FD_SUBROUTINE,
+      aDarwin_AvailabilityinternalTests,   apzDarwin_AvailabilityinternalPatch, 0 },
+ 
++  {  zDarwin_AvailabilityName,    zDarwin_AvailabilityList,
++     apzDarwin_AvailabilityMachs,
++     DARWIN_AVAILABILITY_TEST_CT, FD_MACH_ONLY | FD_SUBROUTINE,
++     aDarwin_AvailabilityTests,   apzDarwin_AvailabilityPatch, 0 },
++
+   {  zDarwin_9_Long_Double_Funcs_2Name,    zDarwin_9_Long_Double_Funcs_2List,
+      apzDarwin_9_Long_Double_Funcs_2Machs,
+      DARWIN_9_LONG_DOUBLE_FUNCS_2_TEST_CT, FD_MACH_ONLY | FD_SUBROUTINE,
diff --git a/lang/gcc8/patches/patch-fixincludes_inclhack.def b/lang/gcc8/patches/patch-fixincludes_inclhack.def
new file mode 100644
index 00000000000..f4f35b113bf
--- /dev/null
+++ b/lang/gcc8/patches/patch-fixincludes_inclhack.def
@@ -0,0 +1,36 @@
+$NetBSD: patch-fixincludes_inclhack.def,v 1.1 2019/10/19 21:20:38 minskim Exp $
+
+A workaround for Catalina SDK bug from
+https://github.com/Homebrew/homebrew-core/pull/44762
+
+--- fixincludes/inclhack.def.orig	2018-02-22 08:12:26.000000000 -0800
++++ fixincludes/inclhack.def	2019-10-18 18:17:01.000000000 -0700
+@@ -1268,6 +1268,28 @@
+ };
+ 
+ /*
++ *  macOS 10.15 <Availability.h> does not define __OSX_AVAILABLE_STARTING on
++ *  non-clang compilers.
++ */
++fix = {
++    hackname  = darwin_availability;
++    mach      = "*-*-darwin*";
++    files     = Availability.h;
++    select    = "#endif /\\* __OSX_AVAILABLE_STARTING \\*/";
++    c_fix     = format;
++    c_fix_arg = <<- _EOFix_
++	#endif /* __OSX_AVAILABLE_STARTING */
++	#ifndef __OSX_AVAILABLE_STARTING
++	  #define __OSX_AVAILABLE_STARTING(_osx, _ios)
++	  #define __OSX_AVAILABLE_BUT_DEPRECATED(_osxIntro, _osxDep, _iosIntro, _iosDep)
++	  #define __OSX_AVAILABLE_BUT_DEPRECATED_MSG(_osxIntro, _osxDep, _iosIntro, _iosDep, _msg)
++	#endif
++	_EOFix_;
++
++    test_text = "#endif /* __OSX_AVAILABLE_STARTING */";
++};
++
++/*
+  *  For the AAB_darwin7_9_long_double_funcs fix to be useful,
+  *  you have to not use "" includes.
+  */