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Extend build scripts to support MinGW64 cross-compilation on Windows.

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Martin R. Neuhäußer 2016-06-07 12:15:51 +02:00 committed by martin-neuhaeusser
parent 19f98547f7
commit 22097efd4a
2 changed files with 37 additions and 7 deletions
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10
README.md
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@ -56,6 +56,16 @@ CXX=clang++ CC=clang python scripts/mk_make.py
Note that Clang < 3.7 does not support OpenMP.
You can also build Z3 for Windows using Cygwin and the Mingw-w64 cross-compiler.
To configure that case correctly, make sure to use Cygwin's own python and not
some Windows installation of Python.
For a 64 bit build (from Cygwin64), configure Z3's sources with
```bash
CXX=x86_64-w64-mingw32-g++ CC=x86_64-w64-mingw32-gcc AR=x86_64-w64-mingw32-ar python scripts/mk_make.py
```
A 32 bit build should work similarly (but is untested); the same is true for 32/64 bit builds from within Cygwin32.
By default, it will install z3 executable at ``PREFIX/bin``, libraries at
``PREFIX/lib``, and include files at ``PREFIX/include``, where ``PREFIX``
installation prefix if inferred by the ``mk_make.py`` script. It is usually

34
scripts/mk_util.py
View file

@ -70,6 +70,7 @@ IS_OSX=False
IS_FREEBSD=False
IS_OPENBSD=False
IS_CYGWIN=False
IS_CYGWIN_MINGW=False
VERBOSE=True
DEBUG_MODE=False
SHOW_CPPS = True
@ -143,6 +144,9 @@ def is_osx():
def is_cygwin():
return IS_CYGWIN
def is_cygwin_mingw():
return IS_CYGWIN_MINGW
def norm_path(p):
# We use '/' on mk_project for convenience
return os.path.join(*(p.split('/')))
@ -219,7 +223,10 @@ def rmf(fname):
def exec_compiler_cmd(cmd):
r = exec_cmd(cmd)
rmf('a.out')
if is_windows() or is_cygwin_mingw():
rmf('a.exe')
else:
rmf('a.out')
return r
def test_cxx_compiler(cc):
@ -597,6 +604,8 @@ elif os.name == 'posix':
IS_OPENBSD=True
elif os.uname()[0][:6] == 'CYGWIN':
IS_CYGWIN=True
if ("mingw" in CC):
IS_CYGWIN_MINGW=True
def display_help(exit_code):
print("mk_make.py: Z3 Makefile generator\n")
@ -1821,7 +1830,7 @@ class MLComponent(Component):
CP_CMD='copy'
OCAML_FLAGS = ''
if DEBUG_MODE:
if DEBUG_MODE:
OCAML_FLAGS += '-g'
OCAMLCF = OCAMLC + ' ' + OCAML_FLAGS
OCAMLOPTF = OCAMLOPT + ' ' + OCAML_FLAGS
@ -1875,12 +1884,15 @@ class MLComponent(Component):
OCAMLMKLIB = 'ocamlmklib'
LIBZ3 = '-L. -lz3'
if is_cygwin():
# Some ocamlmklib's don't like -g; observed on cygwin, but may be others as well.
LIBZ3 = '-L. -lz3'
if is_cygwin() and not(is_cygwin_mingw()):
LIBZ3 = 'libz3.dll'
elif DEBUG_MODE:
if DEBUG_MODE and not(is_cygwin()):
# Some ocamlmklib's don't like -g; observed on cygwin, but may be others as well.
OCAMLMKLIB += ' -g'
z3mls = os.path.join(self.sub_dir, 'z3ml')
out.write('%s.cma: %s %s %s\n' % (z3mls, cmos, stubso, z3dllso))
out.write('\t%s -o %s -I %s %s %s %s\n' % (OCAMLMKLIB, z3mls, self.sub_dir, stubso, cmos, LIBZ3))
@ -1943,7 +1955,7 @@ class MLComponent(Component):
out.write(' %s' % ((os.path.join(self.sub_dir, 'z3ml.cmxa'))))
out.write(' %s' % ((os.path.join(self.sub_dir, 'z3ml.cmxs'))))
out.write(' %s' % ((os.path.join(self.sub_dir, 'dllz3ml'))))
if IS_WINDOWS:
if is_windows() or is_cygwin_mingw():
out.write('.dll')
else:
out.write('.so') # .so also on OSX!
@ -2382,6 +2394,12 @@ def mk_config():
CPPFLAGS = '%s -DNDEBUG -D_EXTERNAL_RELEASE' % CPPFLAGS
if TRACE or DEBUG_MODE:
CPPFLAGS = '%s -D_TRACE' % CPPFLAGS
if is_cygwin_mingw():
# when cross-compiling with MinGW, we need to statically link its standard libraries
# and to make it create an import library.
SLIBEXTRAFLAGS = '%s -static-libgcc -static-libstdc++ -Wl,--out-implib,libz3.dll.a' % SLIBEXTRAFLAGS
LDFLAGS = '%s -static-libgcc -static-libstdc++' % LDFLAGS
config.write('PREFIX=%s\n' % PREFIX)
config.write('CC=%s\n' % CC)
config.write('CXX=%s\n' % CXX)
@ -2411,6 +2429,8 @@ def mk_config():
print('Host platform: %s' % sysname)
print('C++ Compiler: %s' % CXX)
print('C Compiler : %s' % CC)
if is_cygwin_mingw():
print('MinGW32 cross: %s' % (is_cygwin_mingw()))
print('Archive Tool: %s' % AR)
print('Arithmetic: %s' % ARITH)
print('OpenMP: %s' % HAS_OMP)