Hi Richard,

On 2016-11-08 08:58:22, Nicholas Boel wrote to you:

 RM>> I tried to compile HPTZIP today.
 RM>> Got this error:
 RM>> gcc -shared -Wl -s hptzip.o ioapi.o unzip.o zip.o -L/usr/local/lib -o
 RM>> libhptzip.so
 RM>> gcc: error: unrecognized command line option -Wl

 RM>> When I delete the -Wl it links.

 NB> While it links, does the program still do what it is intended to do?

 NB> I wonder if changing -Wl to -Wall would do anything productive either? I
 NB> only reply because I ran into the exact same error yesterday, but did not
 NB> test further as I had to put my efforts elsewhere that that time.

In my gcc man page:

       -Wl,option
           Pass option as an option to the linker.  If option contains commas,
it is split into multiple options at the commas.  You
           can use this syntax to pass an argument to the option.  For example,
 -Wl,-Map,output.map passes -Map output.map to the
           linker.  When using the GNU linker, you can also get the same effect
 with -Wl,-Map=output.map.

And as -s is a linker option, it should probably we written as: -Wl,-s

But -s is basically what the 'strip' program does. So it doesn't hurt to to
leave them both out, and do a manual strip on the generated executable file
afterwards...

Bye, Wilfred.

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