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Improve build system to detect available compilers #17

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Improve build system to detect available compilers #17

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4 changes: 3 additions & 1 deletion .gitattributes
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Original file line number Diff line number Diff line change
@@ -1,4 +1,6 @@
* text=auto

findwinsdk text eol=lf
msvs-detect text eol=lf
checkenv text eol=lf
configure text eol=lf
configure.ac text eol=lf
5 changes: 4 additions & 1 deletion .gitignore
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Original file line number Diff line number Diff line change
Expand Up @@ -10,4 +10,7 @@ flexlink.opt
test/dump.exe
version.res
version.ml
Makefile.winsdk
Makefile.config
autom4te.cache
config.log
config.status
3 changes: 2 additions & 1 deletion CHANGES
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Original file line number Diff line number Diff line change
@@ -1,9 +1,10 @@
Next version
- Fixes for clang (patch by Roven Gabriel)
- Improve autodetection of WinSDK paths (patch by David Allsopp)
- Improve autodetection of Visual Studio/Windows SDK paths (patch by David Allsopp)
- Add MSVC_DETECT Makefile variable which overrides all C Compiler detection logic when 0.
- Add checkenv script which determines if the environment is sound specifying MSVC_DETECT=0
- Improve performance of -builtin
- Add beginnings of a proper configure script

Version 0.34
- New option -norelrelocs to check that no relative flexdll relocations are created (this ensures that the generated DLLs can be loaded at any address),
Expand Down
86 changes: 22 additions & 64 deletions Makefile
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@@ -1,41 +1,14 @@
VERSION = 0.34
all: flexlink.exe support

include $(shell cygpath -ad "$(shell ocamlopt -where)/Makefile.config")

MINGW_PREFIX = i686-w64-mingw32
MINCC = $(MINGW_PREFIX)-gcc

MINGW64_PREFIX = x86_64-w64-mingw32
MIN64CC = $(MINGW64_PREFIX)-gcc

CYGWIN_PREFIX = i686-pc-cygwin
CYGCC = $(CYGWIN_PREFIX)-gcc

CYGWIN64_PREFIX = x86_64-pc-cygwin
CYG64CC = $(CYGWIN64_PREFIX)-gcc

.PHONY: version.ml
version.ml:
echo "let version = \"$(VERSION)\"" > version.ml
echo "let mingw_prefix = \"$(MINGW_PREFIX)\"" >> version.ml
echo "let mingw64_prefix = \"$(MINGW64_PREFIX)\"" >> version.ml

# Supported tool-chains

CHAINS = mingw mingw64 cygwin cygwin64 msvc msvc64

# Compilers
ifeq ($(findstring clean,$(MAKECMDGOALS)),)
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Avoids running configure if make [dist]clean is called twice.

include Makefile.config
endif

# Attempt to locate the Windows SDK
all: $(if $(filter-out no,$(HAVE_OCAMLOPT)),flexlink.exe) support
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This has the nice benefit if bootstrapping just the FlexDLL objects that make all only builds what it can.


ifeq ($(findstring clean,$(MAKECMDGOALS)),)
include Makefile.winsdk
ifneq ($(filter-out no,$(HAVE_OCAMLOPT)),)
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Eliminates the warning about Makefile.config not being found (and ocamlopt not being found) when bootstrapping.

include $(shell cygpath -ad "$(shell ocamlopt -where)/Makefile.config")
endif

Makefile.winsdk: findwinsdk
bash ./findwinsdk x86 > $@
bash ./findwinsdk x64 64 >> $@
# Compilers

MSVC_DETECT=1
MSVC_FLAGS=/nologo /MD -D_CRT_SECURE_NO_DEPRECATE /GS-
Expand All @@ -47,38 +20,18 @@ MSVC64_PREFIX=
MSVCC=cl.exe $(MSVC_FLAGS)
MSVCC64=cl.exe $(MSVC_FLAGS)
else
ifeq ($(SDK),)
# Otherwise, assume the 32-bit version of VS 2008 or Win7 SDK is in the path.

MSVCC_ROOT := $(shell which cl.exe 2>/dev/null | cygpath -f - -ad | xargs -d \\n dirname 2>/dev/null | cygpath -f - -m)
MSVC_LIB1 = $(shell dirname $(MSVCC_ROOT))
MSVC_LIB2 = $(shell which ResGen.exe | cygpath -f - -ad | xargs -d \\n dirname | xargs -d \\n dirname | cygpath -f - -m)
MSVC_LIB = $(MSVC_LIB1)/Lib;$(MSVC_LIB2)/Lib
MSVC_INCLUDE = $(MSVC_LIB1)/Include;$(MSVC_LIB2)/Include
MSVC_PREFIX=LIB="$(MSVC_LIB)" INCLUDE="$(MSVC_INCLUDE)"

MSVC64_LIB = $(MSVC_LIB1)/Lib/amd64;$(MSVC_LIB2)/Lib/x64
MSVC64_PREFIX=LIB="$(MSVC64_LIB)" INCLUDE="$(MSVC_INCLUDE)"

MSVCC = $(MSVCC_ROOT)/cl.exe $(MSVC_FLAGS)
MSVCC64 = $(MSVCC_ROOT)/amd64/cl.exe $(MSVC_FLAGS)
else
MSVCC_ROOT:=
MSVC_PREFIX=PATH="$(SDK):$(PATH)" LIB="$(SDK_LIB);$(LIB)" INCLUDE="$(SDK_INC);$(INCLUDE)"
MSVC64_PREFIX=PATH="$(SDK64):$(PATH)" LIB="$(SDK64_LIB);$(LIB)" INCLUDE="$(SDK64_INC);$(INCLUDE)"
# Otherwise, use configured values
MSVC_PREFIX=PATH="$(MSVS_PATH)$(PATH)" LIB="$(MSVS_LIB);$(LIB)" INCLUDE="$(MSVS_INC);$(INCLUDE)"
MSVC64_PREFIX=PATH="$(MSVS64_PATH)$(PATH)" LIB="$(MSVS64_LIB);$(LIB)" INCLUDE="$(MSVS64_INC);$(INCLUDE)"

MSVCC = cl.exe $(MSVC_FLAGS)
MSVCC64 = cl.exe $(MSVC_FLAGS)
endif
endif

ifeq ($(MSVS_DETECT),1)
show_root:
ifeq ($(MSVCC_ROOT),)
@echo "$(SDK)"
@echo "$(SDK_LIB)"
else
@echo "$(MSVCC_ROOT)"
@echo "$(MSVC_LIB)"
@echo "$(MSVS_PATH)"
@echo "$(MSVS_LIB)"
endif

OCAMLOPT = ocamlopt
Expand Down Expand Up @@ -190,10 +143,11 @@ demo_msvc64: flexlink.exe flexdll_msvc64.obj flexdll_initer_msvc64.obj
(cd test && $(MSVC64_PREFIX) $(MAKE) clean demo CHAIN=msvc64 CC="$(MSVCC64)" O=obj)

distclean: clean
rm -f Makefile.winsdk
rm -f Makefile.config config.log config.status version.ml
rm -rf autom4te.cache

clean:
rm -f *.obj *.o *.lib *.a *.exe *.opt *.cmx *.dll *.exp *.cmi *.cmo *~ version.res version.ml
rm -f *.obj *.o *.lib *.a *.exe *.opt *.cmx *.dll *.exp *.cmi *.cmo *~ version.res
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version.ml is generated by configure, so should be removed in distclean only.

cd test && $(MAKE) clean


Expand All @@ -204,8 +158,6 @@ URL = [email protected]:www/flexdll/

# Source packages

PACKAGE = flexdll-$(VERSION).tar.gz

package_src:
rm -Rf flexdll-$(VERSION)
mkdir flexdll-$(VERSION)
Expand Down Expand Up @@ -266,3 +218,9 @@ upload_installer:

upload_all:
$(MAKE) upload_src upload_bin installer upload_installer

Makefile.config: Makefile.config.in configure
./configure

configure: configure.ac
autoconf
23 changes: 23 additions & 0 deletions Makefile.config.in
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@@ -0,0 +1,23 @@
VERSION = @PACKAGE_VERSION@

PACKAGE = @PACKAGE_TARNAME@-@[email protected]

MINGW_PREFIX=@MINGW_PREFIX@
MINCC=@MINCC@
MINGW64_PREFIX=@MINGW64_PREFIX@
MIN64CC=@MIN64CC@
CYGCC=@CYGCC@
CYG64CC=@CYG64CC@

MSVS_PATH=@MSVS_PATH@
MSVS_INC=@MSVS_INC@
MSVS_LIB=@MSVS_LIB@
MSVS64_PATH=@MSVS64_PATH@
MSVS64_INC=@MSVS64_INC@
MSVS64_LIB=@MSVS64_LIB@

# Supported tool-chains

CHAINS =@CHAINS@

HAVE_OCAMLOPT = @HAVE_OCAMLOPT@
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