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Trying to compile OpenSSL with GNU Make for Windows? Fix here!
Jul 19, 2015 at 3:33pm
I know this will sound silly, but it took me a lot of googling and mixing.
Been having some issues while manually compiling OpenSSL with GNU Make for Windows.
OpenSSL does not add implicit rules for C compilation, and the GNU Make for Windows defaults to G++, causing errors (mostly, missing include files).
You could go around all makefiles and add all the default rules, one at a time, or you can follow my lead:
Create a text file, with a name you can recognize.
Place it in your openssl-x.y.z directory.
It will contain our C rules, I named it makefile.c_rules_fix.
Paste this inside:
Create a batch file in the same directory, with these contents:
Open a MSYS prompt and run the batch file.
Been having some issues while manually compiling OpenSSL with GNU Make for Windows.
OpenSSL does not add implicit rules for C compilation, and the GNU Make for Windows defaults to G++, causing errors (mostly, missing include files).
You could go around all makefiles and add all the default rules, one at a time, or you can follow my lead:
Create a text file, with a name you can recognize.
Place it in your openssl-x.y.z directory.
It will contain our C rules, I named it makefile.c_rules_fix.
Paste this inside:
%.o: %.c $(CC) $(CFLAGS) -c -o $@ $< |
Create a batch file in the same directory, with these contents:
export MAKEFILES=$(PWD)/makefile.c_rules_fix echo Adapt the following command for your system. echo To build a static library, remove shared. echo To build for mingw32, use "mingw". echo Run ./Configure for more. ./Configure shared mingw64 make depend make make install |
Open a MSYS prompt and run the batch file.
Last edited on Jul 19, 2015 at 3:35pm
Jul 20, 2015 at 4:24pm
Wouldn't overriding the variable on the command line also be an option? I haven't tried it for OpenSSL in particular, but this has worked for me in the past.
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