<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Thanks. I tried uninstall/reinstall Xcode/CLT. Unfortunately, same issue.<div class=""><br class=""></div><div class="">I’m at a loss.</div><div class=""><br class=""></div><div class="">Here’s the errors from e.g. expat’s config.log (not sure which of these belong in “ordinary” trapped errors for config tests):</div><div class=""><br class=""></div><div class=""><blockquote type="cite" class=""><div style="margin: 0px; font-stretch: normal; font-size: 24px; line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">configure:4453: /usr/bin/clang -V >&5</span></div><div style="margin: 0px; font-stretch: normal; font-size: 24px; line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">clang: error: argument to '-V' is missing (expected 1 value)</span></div><div style="margin: 0px; font-stretch: normal; font-size: 24px; line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">clang: error: no input files</span></div></blockquote></div><div class=""><div style="margin: 0px; font-stretch: normal; font-size: 24px; line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures: no-common-ligatures" class=""><br class=""></span></div></div><div style="margin: 0px; font-stretch: normal; font-size: 24px; line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures: no-common-ligatures" class=""><blockquote type="cite" class=""><div style="margin: 0px; font-stretch: normal; line-height: normal;" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">configure:4453: /usr/bin/clang -qversion >&5</span></div><div style="margin: 0px; font-stretch: normal; line-height: normal;" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">clang: error: unknown argument '-qversion'; did you mean '--version'?</span></div></blockquote><div class=""><div style="margin: 0px; font-stretch: normal; line-height: normal;" class=""><span style="font-variant-ligatures: no-common-ligatures" class=""><br class=""></span></div></div><div style="margin: 0px; font-stretch: normal; line-height: normal;" class=""><span style="font-variant-ligatures: no-common-ligatures" class=""><blockquote type="cite" class=""><div style="margin: 0px; font-stretch: normal; line-height: normal;" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">configure:4453: /usr/bin/clang -version >&5</span></div><div style="margin: 0px; font-stretch: normal; line-height: normal;" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">clang: error: unknown argument '-version'; did you mean '--version'?</span></div></blockquote><div class=""><div style="margin: 0px; font-stretch: normal; line-height: normal;" class=""><span style="font-variant-ligatures: no-common-ligatures" class=""><br class=""></span></div></div></span></div></span></div><div class=""><blockquote type="cite" class=""><div style="margin: 0px; font-stretch: normal; font-size: 24px; line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">configure:13949: /usr/bin/clang -c -pipe -Os -arch arm64 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX12.sdk -Werror -Wduplicated-cond -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX12.sdk conftest.c >&5</span></div><div style="margin: 0px; font-stretch: normal; font-size: 24px; line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">error: unknown warning option '-Wduplicated-cond' [-Werror,-Wunknown-warning-option]</span></div></blockquote><div class=""><div style="margin: 0px; font-stretch: normal; font-size: 24px; line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures: no-common-ligatures" class=""><br class=""></span></div></div><div style="margin: 0px; font-stretch: normal; font-size: 24px; line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures: no-common-ligatures" class=""><blockquote type="cite" class=""><div style="margin: 0px; font-stretch: normal; line-height: normal;" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">configure:13949: /usr/bin/clang -c -pipe -Os -arch arm64 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX12.sdk -Werror -Wlogical-op -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX12.sdk conftest.c >&5</span></div><div style="margin: 0px; font-stretch: normal; line-height: normal;" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">error: unknown warning option '-Wlogical-op'; did you mean '-Wlong-long'? [-Werror,-Wunknown-warning-option]</span></div></blockquote><div class=""><div style="margin: 0px; font-stretch: normal; line-height: normal;" class=""><span style="font-variant-ligatures: no-common-ligatures" class=""><br class=""></span></div></div><div style="margin: 0px; font-stretch: normal; line-height: normal;" class=""><span style="font-variant-ligatures: no-common-ligatures" class=""><blockquote type="cite" class=""><div style="margin: 0px; font-stretch: normal; line-height: normal;" class=""><span style="font-variant-ligatures: no-common-ligatures" class=""> configure:19208: /usr/bin/clang -c -pipe -Os -arch arm64 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX12.sdk -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX12.sdk conftest.c >&5</span></div><div style="margin: 0px; font-stretch: normal; line-height: normal;" class=""><span style="font-variant-ligatures: no-common-ligatures" class=""> conftest.c:59:20: error: expected expression</span></div><div style="margin: 0px; font-stretch: normal; line-height: normal;" class=""><span style="font-variant-ligatures: no-common-ligatures" class=""> if (sizeof ((off_t)))</span></div><div style="margin: 0px; font-stretch: normal; line-height: normal;" class=""><span style="font-variant-ligatures: no-common-ligatures" class=""> ^</span></div><div style="margin: 0px; font-stretch: normal; line-height: normal;" class=""><span style="font-variant-ligatures: no-common-ligatures" class=""> 1 error generated.</span></div></blockquote><div class=""><div style="margin: 0px; font-stretch: normal; line-height: normal;" class=""><span style="font-variant-ligatures: no-common-ligatures" class=""><br class=""></span></div></div></span></div><div style="margin: 0px; font-stretch: normal; line-height: normal;" class=""><span style="font-variant-ligatures: no-common-ligatures" class=""><br class=""></span></div></span></div><div><br class=""><blockquote type="cite" class=""><div class="">On Mar 11, 2022, at 10:39 AM, Chris Jones <<a href="mailto:jonesc@hep.phy.cam.ac.uk" class="">jonesc@hep.phy.cam.ac.uk</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class=""><br class="">I recently ran into something similar, albeit on an intel machine running the latest macOS12 release, not an M1 machine.<br class=""><br class="">In the end I 'brute force' fixed it by completely removing Xcode and the CLT, then reinstalling both.<br class=""><br class="">Chris<br class=""></div></div></blockquote></div><br class=""></div></body></html>