From 66b0d2dea58a0eb13889e86069b9d8297de4c19c Mon Sep 17 00:00:00 2001
From: Duncan Coutts <duncan@well-typed.com>
Date: Tue, 28 Apr 2009 12:35:29 +0000
Subject: [PATCH] Add a new $way_libsuf variable for library suffix+extension
 This allows the library file type to depend on the way.
 This is needed to use .so/.dll libs for the "dyn" way
 rather than always using .a libs. For example:
 thr_debug_dyn_libsuf="_thr_debug-ghc6.11.20090426.so"

---
 rules/build-package-way.mk |    2 +-
 rules/way-prelims.mk       |   10 ++++++++++
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/rules/build-package-way.mk b/rules/build-package-way.mk
index 1f0832a..5fb3cdf 100644
--- a/rules/build-package-way.mk
+++ b/rules/build-package-way.mk
@@ -20,7 +20,7 @@ $$(foreach dir,$$($1_$2_HS_SRC_DIRS),\
 
 $(call hs-objs,$1,$2,$3)
 
-$1_$2_$3_LIB = $1/$2/build/libHS$$($1_PACKAGE)-$$($1_$2_VERSION)$$($3__way).a
+$1_$2_$3_LIB = $1/$2/build/libHS$$($1_PACKAGE)-$$($1_$2_VERSION)$$($3_libsuf)
 
 $1_$2_$3_MKSTUBOBJS = find $1/$2/build -name "*_stub.$$($3_osuf)" -print
 # HACK ^^^ we tried to use $(wildcard), but apparently it fails due to
diff --git a/rules/way-prelims.mk b/rules/way-prelims.mk
index 4885264..ae4db30 100644
--- a/rules/way-prelims.mk
+++ b/rules/way-prelims.mk
@@ -21,4 +21,14 @@ endif
 $1_osuf   = $$($1_way_)o
 $1_hisuf  = $$($1_way_)hi
 $1_hcsuf  = $$($1_way_)hc
+
+ifneq "$(findstring dyn,$1)" ""
+#  If the way includes "dyn" then it's a dynamic lib way. We mangle the
+#  way name to remove "dyn" (or "_dyn") and we change the suffix to
+#  include the versioned dynamic lib extension (eg .so or .dynlib).
+#  For example: thr_debug_dyn_libsuf="_thr_debug-ghc6.11.20090426.so"
+$1_libsuf  = $$($(subst dyn,,$(subst _dyn,,$1))__way)-ghc$(ProjectVersion)$(soext)
+else
+$1_libsuf  = $$($1__way).a
+endif
 endef
-- 
1.7.10.4