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build: make: support windows cross compile

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Add WINDOWS_BUILD macro to enable Windows build on *NIX host.

Add optional suffix for executables.

Fix shared object suffix logic to support multiple suffixes.

Fix soname handling to always match output.

WINDOWS macro sets WINDOWS_BUILD.

WINDOWS_BUILD sets .exe executable suffix.

WINDOWS_BUILD shared mode creates dll import library.

WINDOWS_BUILD shared mode link against dll.

Signed-off-by: Alon Bar-Lev <alon.barlev@gmail.com>
This commit is contained in:
Alon Bar-Lev 2015-02-14 01:04:58 +02:00
parent 539d972a25
commit 18ba0cce8b
3 changed files with 336 additions and 294 deletions
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37
library/Makefile
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@ -22,14 +22,22 @@ ifdef SHARED
CFLAGS += -fPIC
endif
SONAME=libmbedtls.so.7
SOEXT=so.8
DLEXT=so.8
DLEXT=so
# OSX shared library extension:
# DLEXT=dylib
# Windows shared library extension:
#
# if we running on Windows build
# for Windows
#
ifdef WINDOWS
WINDOWS_BUILD=1
endif
# Windows shared library extension:
ifdef WINDOWS_BUILD
DLEXT=dll
LDFLAGS += -lws2_32
endif
@ -73,7 +81,7 @@ endif
static: libpolarssl.a
shared: libpolarssl.so
shared: libpolarssl.$(DLEXT)
libpolarssl.a: libmbedtls.a
echo " LN $@ -> $?"
@ -89,21 +97,28 @@ libmbedtls.a: $(OBJS)
echo " RL $@"
$(AR) s $@
libpolarssl.so: libmbedtls.so
libpolarssl.$(DLEXT): libmbedtls.$(DLEXT)
echo " LN $@ -> $?"
ifndef WINDOWS
ln -sf $? $@
else
copy /y /b $? $@
endif
ifdef WINDOWS_BUILD
ifndef WINDOWS
ln -sf $?.a $@.a
else
copy /y /b $?.a $@.a
endif
endif
libmbedtls.${DLEXT}: $(OBJS)
libmbedtls.$(SOEXT): $(OBJS)
echo " LD $@"
$(CC) ${LDFLAGS} -shared -Wl,-soname,$(SONAME) -o $@ $(OBJS)
$(CC) ${LDFLAGS} -shared -Wl,-soname,$@ -o $@ $(OBJS)
libmbedtls.so: libmbedtls.${DLEXT}
echo " LN $@ -> libmbedtls.${DLEXT}"
ln -sf libmbedtls.${DLEXT} $@
libmbedtls.so: libmbedtls.$(SOEXT)
echo " LN $@ -> libmbedtls.$(SOEXT)"
ln -sf libmbedtls.$(SOEXT) $@
libmbedtls.dylib: $(OBJS)
echo " LD $@"
@ -111,7 +126,7 @@ libmbedtls.dylib: $(OBJS)
libmbedtls.dll: $(OBJS)
echo " LD $@"
$(CC) -shared -Wl,-soname,$@ -o $@ $(OBJS) -lws2_32 -lwinmm -lgdi32
$(CC) -shared -Wl,-soname,$@ -Wl,--out-implib,$@.a -o $@ $(OBJS) -lws2_32 -lwinmm -lgdi32
.c.o:
echo " CC $<"