Rename $1_$2_$3_LIB_NAME to LIB_FILE.
[ghc.git] / Makefile
index 15162b4..f0f864d 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -5,11 +5,19 @@
 # This file is part of the GHC build system.
 #
 # To understand how the build system works and how to modify it, see
-#      http://hackage.haskell.org/trac/ghc/wiki/Building/Architecture
-#      http://hackage.haskell.org/trac/ghc/wiki/Building/Modifying
+#      http://ghc.haskell.org/trac/ghc/wiki/Building/Architecture
+#      http://ghc.haskell.org/trac/ghc/wiki/Building/Modifying
 #
 # -----------------------------------------------------------------------------
 
+# Eliminate use of the built-in implicit rules, and clear out the default list
+# of suffixes for suffix rules. Speeds up make quite a bit. Both are needed
+# for the shortest `make -d` output.
+# Don't set --no-builtin-variables; some rules might stop working if you do
+# (e.g. 'make clean' in testsuite/ currently relies on an implicit $RM).
+MAKEFLAGS += --no-builtin-rules
+.SUFFIXES:
+
 ifeq "$(wildcard distrib/)" ""
 
 # We're in a bindist
@@ -19,25 +27,22 @@ default:
        @echo 'Run "make install" to install'
        @false
 
-.PHONY: install
-install:
-       $(MAKE) -r --no-print-directory -f ghc.mk install BINDIST=YES NO_INCLUDE_DEPS=YES
-
-.PHONY: show
-show:
-       $(MAKE) -r --no-print-directory -f ghc.mk $@
+.PHONY: install show
+install show:
+       $(MAKE) --no-print-directory -f ghc.mk $@ BINDIST=YES NO_INCLUDE_DEPS=YES
 
 else
 
+.PHONY: default
 default : all
        @:
 
 # For help, type 'make help'
 .PHONY: help
-help :
-       @cat MAKEHELP
+help:
+       @cat MAKEHELP.md
 
-ifneq "$(findstring clean,$(MAKECMDGOALS))" ""
+ifneq "$(filter maintainer-clean distclean clean clean_% help,$(MAKECMDGOALS))" ""
 -include mk/config.mk
 else
 include mk/config.mk
@@ -48,85 +53,97 @@ endif
 
 include mk/custom-settings.mk
 
-# No need to update makefiles for these targets:
-REALGOALS=$(filter-out bootstrapping-files framework-pkg clean clean_% distclean maintainer-clean show help,$(MAKECMDGOALS))
+# Verify that stage 0 LLVM backend isn't affected by Bug #9439 if needed
+ifeq "$(GHC_LLVM_AFFECTED_BY_9439)" "1"
+ifneq "$(findstring -fllvm,$(GhcHcOpts) $(GhcStage1HcOpts))" ""
+$(error Stage 0 compiler is affected by Bug #9439. Refusing to bootstrap with -fllvm)
+endif
+endif
 
-# On Solaris, the builtin test doesn't support -nt, you have to use
-# /usr/bin/test.  On MSYS, however, /usr/bin/test does not exist.  How
-# nice.
-TEST=$(if $(wildcard /usr/bin/test),/usr/bin/test,test)
+# No need to update makefiles for these targets:
+# (the ones we're filtering out)
+REALGOALS=$(filter-out \
+    binary-dist \
+    binary-dist-prep \
+    sdist sdist-ghc \
+    sdist-ghc-prep \
+    sdist-windows-tarballs \
+    sdist-windows-tarballs-prep \
+    sdist-testsuite \
+    sdist-testsuite-prep \
+    bootstrapping-files \
+    framework-pkg \
+    clean \
+    clean_% \
+    distclean \
+    maintainer-clean \
+    show \
+    echo \
+    help \
+    test \
+    fulltest \
+    fasttest \
+  ,$(MAKECMDGOALS))
 
 # configure touches certain files even if they haven't changed.  This
 # can mean a lot of unnecessary recompilation after a re-configure, so
 # here we cache the old versions of these files so we can restore the
 # timestamps.
-#
-define check-configure-file
-# $1 = file
-if $(TEST) ! -f $1.old; then \
-  echo "backing up $1"; \
-  cp $1 $1.old; \
-  touch -r $1 $1.old; \
-else \
-  if $(TEST) $1 -nt $1.old; then \
-    if cmp $1 $1.old; then \
-       echo "$1 has been touched, but has not changed"; \
-       touch -r $1.old $1; \
-    else \
-       echo "$1 has changed"; \
-       cp $1 $1.old; \
-       touch -r $1 $1.old; \
-    fi \
-  fi \
-fi
-endef
+%.old:  %
+       @set -x && test -f $@ && cmp -s $< $@ || cp -p $< $@
+       touch -r $@ $<
+
 
 # NB. not the same as saying '%: ...', which doesn't do the right thing:
 # it does nothing if we specify a target that already exists.
-.PHONY: $(REALGOALS)
-$(REALGOALS) all:
-       @$(call check-configure-file,mk/config.mk)
-       @$(call check-configure-file,mk/project.mk)
-       @$(call check-configure-file,compiler/ghc.cabal)
-
-       @echo "===--- updating makefiles phase 0"
-       $(MAKE) -r --no-print-directory -f ghc.mk phase=0 just-makefiles
-ifneq "$(OMIT_PHASE_1)" "YES"
-       @echo "===--- updating makefiles phase 1"
-       $(MAKE) -r --no-print-directory -f ghc.mk phase=1 just-makefiles
+.PHONY: $(REALGOALS) all
+$(REALGOALS) all: mk/config.mk.old mk/project.mk.old compiler/ghc.cabal.old
+ifneq "$(OMIT_PHASE_0)" "YES"
+       @echo "===--- building phase 0"
+       $(MAKE) --no-print-directory -f ghc.mk phase=0 phase_0_builds
 endif
-ifneq "$(OMIT_PHASE_2)" "YES"
-       @echo "===--- updating makefiles phase 2"
-       $(MAKE) -r --no-print-directory -f ghc.mk phase=2 just-makefiles
-endif
-ifneq "$(OMIT_PHASE_3)" "YES"
-       @echo "===--- updating makefiles phase 3"
-       $(MAKE) -r --no-print-directory -f ghc.mk phase=3 just-makefiles
+ifneq "$(OMIT_PHASE_1)" "YES"
+       @echo "===--- building phase 1"
+       $(MAKE) --no-print-directory -f ghc.mk phase=1 phase_1_builds
 endif
-       @echo "===--- finished updating makefiles"
-       $(MAKE) -r --no-print-directory -f ghc.mk $@
+       @echo "===--- building final phase"
+       $(MAKE) --no-print-directory -f ghc.mk phase=final $@
 
-binary-dist:
+.PHONY: binary-dist
+binary-dist: binary-dist-prep
+       mv bindistprep/*.tar.$(TAR_COMP_EXT) .
+
+.PHONY: binary-dist-prep
+binary-dist-prep:
 ifeq "$(mingw32_TARGET_OS)" "1"
-       $(MAKE) -r --no-print-directory -f ghc.mk windows-binary-dist
-       $(MAKE) -r --no-print-directory -f ghc.mk windows-installer
+       $(MAKE) --no-print-directory -f ghc.mk windows-binary-dist-prep
 else
        rm -f bindist-list
-       $(MAKE) -r --no-print-directory -f ghc.mk bindist BINDIST=YES
-       $(MAKE) -r --no-print-directory -f ghc.mk binary-dist
+       $(MAKE) --no-print-directory -f ghc.mk bindist BINDIST=YES
+       $(MAKE) --no-print-directory -f ghc.mk unix-binary-dist-prep
 endif
 
+.PHONY: sdist sdist-ghc sdist-ghc-prep sdist-windows-tarballs sdist-windows-tarballs-prep sdist-testsuite sdist-testsuite-prep
+# Just running `./boot && ./configure && make sdist` should work, so skip
+# phase 0 and 1 and don't build any dependency files.
+sdist sdist-ghc sdist-ghc-prep sdist-windows-tarballs sdist-windows-tarballs-prep sdist-testsuite sdist-testsuite-prep :
+       $(MAKE) --no-print-directory -f ghc.mk $@ NO_INCLUDE_DEPS=YES NO_INCLUDE_PKGDATA=YES
+
+.PHONY: clean distclean maintainer-clean
 clean distclean maintainer-clean:
-       $(MAKE) -r --no-print-directory -f ghc.mk $@ CLEANING=YES
+       $(MAKE) --no-print-directory -f ghc.mk $@ CLEANING=YES
        test ! -d testsuite || $(MAKE) -C testsuite $@
 
+.PHONY: $(filter clean_%,$(MAKECMDGOALS))
 $(filter clean_%, $(MAKECMDGOALS)) : clean_% :
-       $(MAKE) -r --no-print-directory -f ghc.mk $@ CLEANING=YES
+       $(MAKE) --no-print-directory -f ghc.mk $@ CLEANING=YES
 
-bootstrapping-files show:
-       $(MAKE) -r --no-print-directory -f ghc.mk $@
+.PHONY: bootstrapping-files show echo
+bootstrapping-files show echo:
+       $(MAKE) --no-print-directory -f ghc.mk $@
 
 ifeq "$(darwin_TARGET_OS)" "1"
+.PHONY: framework-pkg
 framework-pkg:
        $(MAKE) -C distrib/MacOS $@
 endif
@@ -136,3 +153,11 @@ endif
 .NOTPARALLEL:
 
 endif
+
+.PHONY: fasttest
+fasttest:
+       $(MAKE) -C testsuite/tests CLEANUP=1 SUMMARY_FILE=../../testsuite_summary.txt fast
+
+.PHONY: fulltest test
+fulltest test:
+       $(MAKE) -C testsuite/tests CLEANUP=1 SUMMARY_FILE=../../testsuite_summary.txt