/Library/Developer/CommandLineTools/usr/bin/clang \
-fno-common -I/usr/local/include -DNDEBUG -L/usr/local/lib helloworld.c

with some simple source file like the attached one?

Since this is on Apple macOS: Did you complete the installation of the command-line tools? Unfortunately there's some version-specific dance you have to complete for Xcode command-line tools to properly work.

Regards, Thomas

On May 26, 2021, at 12:29 , Jeffrey Walton <noloader@gmail.com> wrote:

I'm trying to build libtool-2.4.6 on an Apple M1. Configure dies at:

configure:3902: checking whether the C compiler works
configure:3924: /Library/Developer/CommandLineTools/usr/bin/clang
-fno-common -I/usr/local/include -DNDEBUG -L/usr/local/lib conftest.c
&5
ld: library not found for -lSystem

I think that means it is time to update libtool (and its
dependencies), and release a new tarball.

Thanks.
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