[commit: ghc] ghc-7.8: Add a perf-cross build setting. (86c3da7)

[git at git.haskell.org]

Repository : ssh://git@git.haskell.org/ghc

On branch  : ghc-7.8
Link       : http://ghc.haskell.org/trac/ghc/changeset/86c3da7c62ff7910e5e4fdbfdd3ac0754786071c/ghc

>---------------------------------------------------------------

commit 86c3da7c62ff7910e5e4fdbfdd3ac0754786071c
Author: Luke Iannini <lukexipd at gmail.com>
Date:   Thu Jan 30 07:07:44 2014 -0600

    Add a perf-cross build setting.
    
    This is for building performance-optimized cross compilers (e.g. the iOS
    target.)
    
    Signed-off-by: Austin Seipp <austin at well-typed.com>
    
    (cherry picked from commit 99484c965c93df5367ecb3bc29165544baf1da76)


>---------------------------------------------------------------

86c3da7c62ff7910e5e4fdbfdd3ac0754786071c
 mk/build.mk.sample |   26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/mk/build.mk.sample b/mk/build.mk.sample
index 3d94478..cb049ba 100644
--- a/mk/build.mk.sample
+++ b/mk/build.mk.sample
@@ -14,6 +14,9 @@
 # As above but build GHC using the LLVM backend
 #BuildFlavour = perf-llvm
 
+# Perf build configured for a cross-compiler
+#BuildFlavour = perf-cross
+
 # Fast build with optimised libraries, no profiling (RECOMMENDED):
 #BuildFlavour = quick
 
@@ -86,6 +89,29 @@ GhcLibWays     += p
 
 endif
 
+# ------- A Perf build configured for cross-compilation ----------------------
+
+ifeq "$(BuildFlavour)" "perf-cross"
+
+SRC_HC_OPTS     = -O -H64m -fllvm
+GhcStage1HcOpts = -O2 -fllvm
+GhcStage2HcOpts = -O2 -fllvm
+GhcHcOpts       = -Rghc-timing
+GhcLibHcOpts    = -O2
+GhcLibWays     += p
+INTEGER_LIBRARY    = integer-simple
+Stage1Only         = YES
+
+HADDOCK_DOCS       = NO
+BUILD_DOCBOOK_HTML = NO
+BUILD_DOCBOOK_PS   = NO
+BUILD_DOCBOOK_PDF  = NO
+
+DYNAMIC_BY_DEFAULT   = NO
+DYNAMIC_GHC_PROGRAMS = NO
+
+endif
+
 # -------- A Fast build -------------------------------------------------------
 
 ifeq "$(BuildFlavour)" "quickest"