From 16a8414061a1fef7d90e162e5253d3005cb11806 Mon Sep 17 00:00:00 2001
From: Ian Lynagh <ian@well-typed.com>
Date: Thu, 4 Oct 2012 16:00:17 +0100
Subject: Actually build things the dynamic way

Things went back to being statically linked again once I added an
explicit -static flag to the vanilla way.
---
 rules/build-prog.mk | 41 +++++++++++++++++++++++++----------------
 1 file changed, 25 insertions(+), 16 deletions(-)

(limited to 'rules/build-prog.mk')

diff --git a/rules/build-prog.mk b/rules/build-prog.mk
index 6e6d1c11f1..239f55cdd4 100644
--- a/rules/build-prog.mk
+++ b/rules/build-prog.mk
@@ -121,41 +121,50 @@ endif
 
 $(call shell-wrapper,$1,$2)
 
-$1_$2_WAYS = v
+ifeq "$$($1_$2_PROGRAM_WAY)" ""
+ifeq "$3" "0"
+$1_$2_PROGRAM_WAY = v
+else ifeq "$$(DYNAMIC_BY_DEFAULT)" "YES"
+$1_$2_PROGRAM_WAY = dyn
+else
+$1_$2_PROGRAM_WAY = v
+endif
+endif
+
+$1_$2_WAYS = $$($1_$2_PROGRAM_WAY)
 
 $(call hs-sources,$1,$2)
 $(call c-sources,$1,$2)
 
 # --- IMPLICIT RULES
 
-# Just the 'v' way for programs
-$(call distdir-way-opts,$1,$2,v,$3)
+$(call distdir-way-opts,$1,$2,$$($1_$2_PROGRAM_WAY),$3)
 
 ifeq "$3" "0"
 # For stage 0, we use GHC to compile C sources so that we don't have to
 # worry about where the RTS header files are
-$(call c-suffix-rules,$1,$2,v,YES)
+$(call c-suffix-rules,$1,$2,$$($1_$2_PROGRAM_WAY),YES)
 else
 ifeq "$$($1_$2_UseGhcForCC)" "YES"
-$(call c-suffix-rules,$1,$2,v,YES)
+$(call c-suffix-rules,$1,$2,$$($1_$2_PROGRAM_WAY),YES)
 else
-$(call c-suffix-rules,$1,$2,v,NO)
+$(call c-suffix-rules,$1,$2,$$($1_$2_PROGRAM_WAY),NO)
 endif
 endif
 
-$(call hs-suffix-rules,$1,$2,v)
+$(call hs-suffix-rules,$1,$2,$$($1_$2_PROGRAM_WAY))
 $$(foreach dir,$$($1_$2_HS_SRC_DIRS),\
-  $$(eval $$(call hs-suffix-rules-srcdir,$1,$2,v,$$(dir))))
+  $$(eval $$(call hs-suffix-rules-srcdir,$1,$2,$$($1_$2_PROGRAM_WAY),$$(dir))))
 
-$(call c-objs,$1,$2,v)
-$(call hs-objs,$1,$2,v)
+$(call c-objs,$1,$2,$$($1_$2_PROGRAM_WAY))
+$(call hs-objs,$1,$2,$$($1_$2_PROGRAM_WAY))
 
 $1_$2_LINK_WITH_GCC = NO
 ifeq "$$(BootingFromHc)" "YES"
 $1_$2_LINK_WITH_GCC = YES
 endif
 
-ifeq "$$($1_$2_v_HS_OBJS)" ""
+ifeq "$$($1_$2_$$($1_$2_PROGRAM_WAY)_HS_OBJS)" ""
 # We don't want to link the GHC RTS into C-only programs. There's no
 # point, and it confuses the test that all GHC-compiled programs
 # were compiled with the right GHC.
@@ -171,7 +180,7 @@ endif
 endif
 
 ifneq "$$(BINDIST)" "YES"
-# The quadrupled $'s here are because the _v_LIB variables aren't
+# The quadrupled $'s here are because the _<way>_LIB variables aren't
 # necessarily set when this part of the makefile is read
 $1/$2/build/tmp/$$($1_$2_PROG) : \
     $$(foreach dep,$$($1_$2_DEP_NAMES),\
@@ -183,11 +192,11 @@ $1/$2/build/tmp/$$($1_$2_PROG) : \
         $$$$(libraries/$$(dep)_dist-$(if $(filter 0,$3),boot,install)_PROGRAM_DEP_LIB)))
 
 ifeq "$$($1_$2_LINK_WITH_GCC)" "NO"
-$1/$2/build/tmp/$$($1_$2_PROG) : $$($1_$2_v_HS_OBJS) $$($1_$2_v_C_OBJS) $$($1_$2_v_S_OBJS) $$($1_$2_OTHER_OBJS) | $$$$(dir $$$$@)/.
-	$$(call cmd,$1_$2_HC) -o $$@ $$($1_$2_v_ALL_HC_OPTS) $$(LD_OPTS) $$($1_$2_GHC_LD_OPTS) $$($1_$2_v_HS_OBJS) $$($1_$2_v_C_OBJS) $$($1_$2_v_S_OBJS) $$($1_$2_OTHER_OBJS) $$(addprefix -l,$$($1_$2_EXTRA_LIBRARIES))
+$1/$2/build/tmp/$$($1_$2_PROG) : $$($1_$2_$$($1_$2_PROGRAM_WAY)_HS_OBJS) $$($1_$2_$$($1_$2_PROGRAM_WAY)_C_OBJS) $$($1_$2_$$($1_$2_PROGRAM_WAY)_S_OBJS) $$($1_$2_OTHER_OBJS) | $$$$(dir $$$$@)/.
+	$$(call cmd,$1_$2_HC) -o $$@ $$($1_$2_$$($1_$2_PROGRAM_WAY)_ALL_HC_OPTS) $$(LD_OPTS) $$($1_$2_GHC_LD_OPTS) $$($1_$2_$$($1_$2_PROGRAM_WAY)_HS_OBJS) $$($1_$2_$$($1_$2_PROGRAM_WAY)_C_OBJS) $$($1_$2_$$($1_$2_PROGRAM_WAY)_S_OBJS) $$($1_$2_OTHER_OBJS) $$(addprefix -l,$$($1_$2_EXTRA_LIBRARIES))
 else
-$1/$2/build/tmp/$$($1_$2_PROG) : $$($1_$2_v_HS_OBJS) $$($1_$2_v_C_OBJS) $$($1_$2_v_S_OBJS) $$($1_$2_OTHER_OBJS) | $$$$(dir $$$$@)/.
-	$$(call cmd,$1_$2_CC) -o $$@ $$($1_$2_v_ALL_CC_OPTS) $$(LD_OPTS) $$($1_$2_v_HS_OBJS) $$($1_$2_v_C_OBJS) $$($1_$2_v_S_OBJS) $$($1_$2_OTHER_OBJS) $$($1_$2_v_EXTRA_CC_OPTS) $$(addprefix -l,$$($1_$2_EXTRA_LIBRARIES))
+$1/$2/build/tmp/$$($1_$2_PROG) : $$($1_$2_$$($1_$2_PROGRAM_WAY)_HS_OBJS) $$($1_$2_$$($1_$2_PROGRAM_WAY)_C_OBJS) $$($1_$2_$$($1_$2_PROGRAM_WAY)_S_OBJS) $$($1_$2_OTHER_OBJS) | $$$$(dir $$$$@)/.
+	$$(call cmd,$1_$2_CC) -o $$@ $$($1_$2_$$($1_$2_PROGRAM_WAY)_ALL_CC_OPTS) $$(LD_OPTS) $$($1_$2_$$($1_$2_PROGRAM_WAY)_HS_OBJS) $$($1_$2_$$($1_$2_PROGRAM_WAY)_C_OBJS) $$($1_$2_$$($1_$2_PROGRAM_WAY)_S_OBJS) $$($1_$2_OTHER_OBJS) $$($1_$2_$$($1_$2_PROGRAM_WAY)_EXTRA_CC_OPTS) $$(addprefix -l,$$($1_$2_EXTRA_LIBRARIES))
 endif
 
 # Note [lib-depends] if this program is built with stage1 or greater, we
-- 
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