[packages/ghc] fix llvm backend and add deps for it

[atler]

commit b071b3dba7aa28c1fae18bd49b538134ba676646
Author: Jan Palus <atler at pld-linux.org>
Date:   Thu Mar 17 13:15:31 2022 +0100

    fix llvm backend and add deps for it

 ghc-pld.patch | 14 ++++++++++++++
 ghc.spec      | 23 ++++++++++++++++++++++-
 2 files changed, 36 insertions(+), 1 deletion(-)
---
diff --git a/ghc.spec b/ghc.spec
index 051ce01..e951cde 100644
--- a/ghc.spec
+++ b/ghc.spec
@@ -48,6 +48,11 @@
 
 %define		bootversion		8.6.5
 
+# native code generator (-fasm) support
+%ifarch %{ix86} %{x8664} ppc ppc64 ppc64le sparc
+%define		with_ncg	1
+%endif
+
 Summary:	Glasgow Haskell Compilation system
 Summary(pl.UTF-8):	System kompilacji Glasgow Haskell
 Name:		ghc
@@ -75,6 +80,7 @@ BuildRequires:	OpenAL-devel
 BuildRequires:	OpenGL-GLU-devel
 BuildRequires:	OpenGL-devel
 BuildRequires:	OpenGL-glut-devel
+BuildRequires:	bash
 BuildRequires:	binutils >= 4:2.30
 BuildRequires:	freealut-devel
 BuildRequires:	gmp-devel
@@ -90,6 +96,9 @@ BuildRequires:	xz
 %ifarch %{x8664} %{ix86}
 BuildRequires:	compat-ncurses5
 %endif
+%if %{without unregisterised} && %{without ncg}
+BuildRequires:	llvm >= 9
+%endif
 %else
 BuildRequires:	alex >= 2.0
 BuildRequires:	ghc >= 8.6
@@ -117,7 +126,14 @@ BuildRequires:	latexmk
 #For generating documentation in PDF: fop or xmltex
 BuildRequires:	sphinx-pdg-3
 %endif
-%{?with_unregisterised:Requires:	gcc}
+%if %{with unregisterised}
+Requires:	gcc
+%else
+%if %{without ncg}
+# targets without ncg use llvm backend by default which requires llc/opt
+Requires:	llvm >= 9
+%endif
+%endif
 Provides:	ghc-array = %{gpv_array}
 Provides:	ghc-base = %{gpv_base}
 Provides:	ghc-binary = %{gpv_binary}
@@ -151,6 +167,9 @@ Provides:	ghc-transformers = %{gpv_transformers}
 Provides:	ghc-unix = %{gpv_unix}
 Provides:	ghc-xhtml = %{gpv_xhtml}
 Suggests:	ghc-haskell-platform
+%if %{without unregisterised} && %{with ncg}
+Suggests:	llvm >= 9
+%endif
 Provides:	haddock
 Obsoletes:	haddock
 ExclusiveArch:	%{ix86} %{x8664} x32
@@ -298,6 +317,8 @@ cd ..
 %patch5 -p1
 
 %build
+%{__bash} ./utils/llvm-targets/gen-data-layout.sh > llvm-targets
+
 %{__autoconf}
 cd libraries/terminfo
 %{__autoconf}
diff --git a/ghc-pld.patch b/ghc-pld.patch
index 2efaa08..2dbe9dc 100644
--- a/ghc-pld.patch
+++ b/ghc-pld.patch
@@ -18,3 +18,17 @@
              ;;
          *)
              AC_MSG_WARN([Unknown vendor [$]1])
+--- ghc-8.10.7/utils/llvm-targets/gen-data-layout.sh.orig	2021-06-21 08:54:36.000000000 +0200
++++ ghc-8.10.7/utils/llvm-targets/gen-data-layout.sh	2022-03-17 13:08:22.374325129 +0100
+@@ -58,9 +58,11 @@
+     "i386-unknown-linux-gnu"
+     "i386-unknown-linux-musl"
+     "i386-unknown-linux"
++    "i686-pld-linux"
+     "x86_64-unknown-linux-gnu"
+     "x86_64-unknown-linux-musl"
+     "x86_64-unknown-linux"
++    "x86_64-pld-linux"
+     # Linux Android
+     "x86_64-unknown-linux-android"
+     "armv7-unknown-linux-androideabi"
================================================================

---- gitweb:

http://git.pld-linux.org/gitweb.cgi/packages/ghc.git/commitdiff/6d507b632ff1c6737787817db35f795868c0315b