Start splitting up Makefile.in

1 files changed, 144 insertions, 0 deletions

diff --git a/mk/platform.mk b/mk/platform.mk
new file mode 100644
index 00000000..ecf486f7
--- /dev/null
+++ b/mk/platform.mk
@@ -0,0 +1,144 @@
+CFG_GCC_CFLAGS := -fno-strict-aliasing
+CFG_GCC_LINK_FLAGS :=
+
+# On Darwin, we need to run dsymutil so the debugging information ends
+# up in the right place.  On other platforms, it automatically gets
+# embedded into the executable, so use a no-op command.
+CFG_DSYMUTIL := true
+
+ifeq ($(CFG_OSTYPE), FreeBSD)
+  CFG_LIB_NAME=lib$(1).so
+  CFG_GCC_CFLAGS += -fPIC -march=i686 -I/usr/local/include -O2
+  CFG_GCC_LINK_FLAGS += -shared -fPIC -lpthread -lrt
+  ifeq ($(CFG_CPUTYPE), x86_64)
+    CFG_GCC_CFLAGS += -m32
+    CFG_GCC_LINK_FLAGS += -m32
+  endif
+  CFG_UNIXY := 1
+  CFG_LDENV := LD_LIBRARY_PATH
+  CFG_DEF_SUFFIX := .bsd.def
+endif
+
+ifeq ($(CFG_OSTYPE), Linux)
+  CFG_LIB_NAME=lib$(1).so
+  CFG_GCC_CFLAGS += -fPIC -march=i686 -O2
+  CFG_GCC_LINK_FLAGS += -shared -fPIC -ldl -lpthread -lrt
+  CFG_GCC_DEF_FLAG := -Wl,--export-dynamic,--dynamic-list=
+  CFG_GCC_PRE_LIB_FLAGS := -Wl,-whole-archive
+  CFG_GCC_POST_LIB_FLAGS := -Wl,-no-whole-archive
+  ifeq ($(CFG_CPUTYPE), x86_64)
+    CFG_GCC_CFLAGS += -m32
+    CFG_GCC_LINK_FLAGS += -m32
+  endif
+  CFG_UNIXY := 1
+  CFG_LDENV := LD_LIBRARY_PATH
+  CFG_DEF_SUFFIX := .linux.def
+endif
+
+ifeq ($(CFG_OSTYPE), Darwin)
+  CFG_LIB_NAME=lib$(1).dylib
+  CFG_UNIXY := 1
+  CFG_LDENV := DYLD_LIBRARY_PATH
+  CFG_GCC_LINK_FLAGS += -dynamiclib -lpthread
+  CFG_GCC_DEF_FLAG := -Wl,-exported_symbols_list,
+  # Darwin has a very blurry notion of "64 bit", and claims it's running
+  # "on an i386" when the whole userspace is 64-bit and the compiler
+  # emits 64-bit binaries by default. So we just force -m32 here. Smarter
+  # approaches welcome!
+  #
+  # NB: Currently GCC's optimizer breaks rustrt (task-comm-1 hangs) on Darwin.
+  CFG_GCC_CFLAGS += -m32 -O0
+  CFG_GCC_LINK_FLAGS += -m32
+  CFG_DSYMUTIL := dsymutil
+  CFG_DEF_SUFFIX := .darwin.def
+endif
+
+ifneq ($(findstring MINGW,$(CFG_OSTYPE)),)
+  CFG_WINDOWSY := 1
+endif
+
+CFG_LDPATH :=$(CFG_BUILD_DIR)/rt
+CFG_LDPATH :=$(CFG_LDPATH):$(CFG_BUILD_DIR)/rustllvm
+CFG_TESTLIB=$(CFG_BUILD_DIR)/$(strip     \
+ $(if $(findstring stage0,$(1)),         \
+       stage1                            \
+      $(if $(findstring stage1,$(1)),    \
+           stage2                        \
+          $(if $(findstring stage2,$(1)),\
+               stage3                    \
+               ))))
+
+ifdef CFG_WINDOWSY
+  CFG_INFO := $(info cfg: windows-y environment)
+
+  CFG_EXE_SUFFIX := .exe
+  CFG_LIB_NAME=$(1).dll
+  CFG_LDPATH :=$(CFG_LDPATH):$(CFG_LLVM_BINDIR)
+  CFG_LDPATH :=$(CFG_LDPATH):$$PATH
+  CFG_RUN_TEST=PATH="$(CFG_LDPATH):$(call CFG_TESTLIB,$(1))" $(1)
+  CFG_RUN_TARG=PATH="$(CFG_BUILD_DIR)/$(1):$(CFG_LDPATH)" $(2)
+
+  CFG_PATH_MUNGE := $(strip perl -i.bak -p             \
+                           -e 's@\\(\S)@/\1@go;'       \
+                           -e 's@^/([a-zA-Z])/@\1:/@o;')
+  ifdef CFG_FLEXLINK
+    CFG_BOOT_NATIVE := 1
+  endif
+  CFG_GCC_CFLAGS += -march=i686 -O2
+  CFG_GCC_LINK_FLAGS += -shared -fPIC
+  CFG_DEF_SUFFIX := .def
+endif
+
+ifdef CFG_UNIXY
+  CFG_INFO := $(info cfg: unix-y environment)
+
+  CFG_PATH_MUNGE := true
+  CFG_EXE_SUFFIX :=
+  CFG_LDPATH :=$(CFG_LDPATH):$(CFG_LLVM_LIBDIR)
+  CFG_RUN_TARG=$(CFG_LDENV)=$(CFG_BUILD_DIR)/$(1):$(CFG_LDPATH) $(2)
+  CFG_RUN_TEST=\
+      $(CFG_LDENV)=$(call CFG_TESTLIB,$(1)):$(CFG_LDPATH) \
+      $(CFG_VALGRIND) $(1)
+
+  CFG_BOOT_NATIVE := 1
+
+  ifdef MINGW_CROSS
+    CFG_EXE_SUFFIX := .exe
+    CFG_LIB_NAME=$(1).dll
+    CFG_LDPATH :=$(CFG_LDPATH):$(CFG_LLVM_BINDIR)
+    CFG_LDPATH :=$(CFG_LDPATH):$$PATH
+    CFG_RUN_TARG=PATH=$(CFG_BUILD_DIR)/$(1):$(CFG_LDPATH) $(2)
+    CFG_RUN_TEST=PATH=$(CFG_LDPATH):$(call CFG_TESTLIB,$(1)) $(1)
+
+    CFG_INFO := $(info cfg: mingw-cross)
+    CFG_GCC_CROSS := i586-mingw32msvc-
+    CFG_BOOT_FLAGS += -t win32-x86-pe
+    ifdef CFG_VALGRIND
+      CFG_VALGRIND += wine
+    endif
+    CFG_GCC_CFLAGS := -march=i686
+    CFG_GCC_LINK_FLAGS := -shared
+    ifeq ($(CFG_CPUTYPE), x86_64)
+      CFG_GCC_CFLAGS += -m32
+      CFG_GCC_LINK_FLAGS += -m32
+    endif
+  endif
+  ifdef CFG_VALGRIND
+    CFG_VALGRIND += --leak-check=full \
+                    --error-exitcode=1 \
+                    --quiet --vex-iropt-level=0 \
+                    --suppressions=$(CFG_SRC_DIR)src/etc/x86.supp
+  endif
+endif
+
+ifdef CFG_GCC
+  CFG_INFO := $(info cfg: using gcc)
+  CFG_GCC_CFLAGS += -Wall -Werror -fno-rtti -fno-exceptions -g
+  CFG_GCC_LINK_FLAGS += -g
+  CFG_COMPILE_C = $(CFG_GCC_CROSS)g++ $(CFG_GCC_CFLAGS) -c -o $(1) $(2)
+  CFG_DEPEND_C = $(CFG_GCC_CROSS)g++ $(CFG_GCC_CFLAGS) -MT "$(1)" -MM $(2)
+  CFG_LINK_C = $(CFG_GCC_CROSS)g++ $(CFG_GCC_LINK_FLAGS) -o $(1) \
+               $(CFG_GCC_DEF_FLAG)$(3) $(2)
+else
+  CFG_ERR := $(error please try on a system with gcc)
+endif