<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="">Hi Even,<div class=""><br class=""></div><div class="">If I include the -Wall option, then I do get just the one warning. Here’s the command line I’m using, which is based on similar command lines from the make output…</div><div class=""><br class=""></div><div class=""><div class="">------------------------------------</div><div class="">$ /Applications/Xcode.app/Contents/Developer/usr/bin/gcc -o conftest -arch arm64 -pipe -Os -gdwarf-2 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS11.1.sdk -Wno-implicit-function-declaration -fembed-bitcode -mno-thumb -Wall -arch arm64 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS11.1.sdk conftest.c -ldl</div><div class="">conftest.c:1:24: warning: unused variable 'off' [-Wunused-variable]</div><div class="">int main() { long long off=0; }</div><div class=""> ^</div><div class="">1 warning generated.</div><div class="">$</div><div class="">——————————————————</div><div class=""><br class=""></div><div class="">I made the change you suggested to acinclude.m4 and then ran autoconf. Then I attempted to build GDAL again, but got the same error:</div><div class=""><br class=""></div><div class=""><div class="">--------------------------------------------------</div><div class="">geotiff.cpp:7653:13: error: unknown type name 'GUInt64'</div><div class=""> typedef GUInt64 WordType;</div><div class=""> ^</div><div class="">1 error generated.</div><div class="">make[2]: *** [../o/geotiff.lo] Error 1</div><div class="">make[1]: *** [gtiff-install-obj] Error 2</div><div class="">make: *** [frmts-target] Error 2</div></div><div class="">--------------------------------------------------</div><div class=""><br class=""></div><div class="">I have to admit that I’m a very small-time developer and I’m somewhat out of my depth here, so forgive me if I sound like I don’t understand some of this stuff.</div><div class=""><br class=""></div><div class="">Cheers,</div><div class="">Nik.</div></div><div><br class=""><blockquote type="cite" class=""><div class="">On 12 Nov 2017, at 11:22 pm, Even Rouault <<a href="mailto:even.rouault@spatialys.com" class="">even.rouault@spatialys.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div style="white-space: pre-wrap; font-family: "Sans Serif"; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; word-spacing: 0px; -webkit-text-stroke-width: 0px; margin: 0px;" class="">On dimanche 12 novembre 2017 19:50:47 CET Nik Sands wrote:</div><div style="white-space: pre-wrap; font-family: "Sans Serif"; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; word-spacing: 0px; -webkit-text-stroke-width: 0px; margin: 0px;" class="">> Hi Even,</div><div style="white-space: pre-wrap; font-family: "Sans Serif"; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; word-spacing: 0px; -webkit-text-stroke-width: 0px; margin: 0px;" class="">> </div><div style="white-space: pre-wrap; font-family: "Sans Serif"; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; word-spacing: 0px; -webkit-text-stroke-width: 0px; margin: 0px;" class="">> Thanks for your reply. You are correct as usual. Your ‘cc’ test produced</div><div style="white-space: pre-wrap; font-family: "Sans Serif"; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; word-spacing: 0px; -webkit-text-stroke-width: 0px; margin: 0px;" class="">> no errors, </div><p style="white-space: pre-wrap; font-family: "Sans Serif"; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; word-spacing: 0px; -webkit-text-stroke-width: 0px; margin: 0px;" class=""> </p><div style="white-space: pre-wrap; font-family: "Sans Serif"; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; word-spacing: 0px; -webkit-text-stroke-width: 0px; margin: 0px;" class="">And no warnings as well ?</div><div style="white-space: pre-wrap; font-family: "Sans Serif"; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; word-spacing: 0px; -webkit-text-stroke-width: 0px; margin: 0px;" class="">Weird, since this is the test that is used to dected long long presence</div><div style="white-space: pre-wrap; font-family: "Sans Serif"; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; word-spacing: 0px; -webkit-text-stroke-width: 0px; margin: 0px;" class="">See m4/acinclude.m4</div><p style="white-space: pre-wrap; font-family: "Sans Serif"; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; word-spacing: 0px; -webkit-text-stroke-width: 0px; margin: 0px;" class=""> </p><div style="white-space: pre-wrap; font-family: "Sans Serif"; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; word-spacing: 0px; -webkit-text-stroke-width: 0px; margin: 0px;" class="">Do you run configure with CCFLAGS defined ? For example, if CCFLAGS="-Wall", then the test will throw a warning that will make it fail.</div><div style="white-space: pre-wrap; font-family: "Sans Serif"; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; word-spacing: 0px; -webkit-text-stroke-width: 0px; margin: 0px;" class="">I'm not sure why we use CCFLAGS in that file, whereas CFLAGS is used everywhere else.</div><p style="white-space: pre-wrap; font-family: "Sans Serif"; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; word-spacing: 0px; -webkit-text-stroke-width: 0px; margin: 0px;" class=""> </p><div style="white-space: pre-wrap; font-family: "Sans Serif"; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; word-spacing: 0px; -webkit-text-stroke-width: 0px; margin: 0px;" class="">What if you change in m4/acinclude.m4</div><div style="white-space: pre-wrap; font-family: "Sans Serif"; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; word-spacing: 0px; -webkit-text-stroke-width: 0px; margin: 0px;" class=""> echo 'int main() { long long off=0; }' >> conftest.c</div><div style="white-space: pre-wrap; font-family: "Sans Serif"; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; word-spacing: 0px; -webkit-text-stroke-width: 0px; margin: 0px;" class="">to</div><div style="white-space: pre-wrap; font-family: "Sans Serif"; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; word-spacing: 0px; -webkit-text-stroke-width: 0px; margin: 0px;" class=""> echo 'int main() { long long off=0; (void)off; return 0; }' > conftest.c</div><p style="white-space: pre-wrap; font-family: "Sans Serif"; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; word-spacing: 0px; -webkit-text-stroke-width: 0px; margin: 0px;" class=""> </p><div style="white-space: pre-wrap; font-family: "Sans Serif"; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; word-spacing: 0px; -webkit-text-stroke-width: 0px; margin: 0px;" class="">and run autoconf to regenerate configure ?</div><p style="white-space: pre-wrap; font-family: "Sans Serif"; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; word-spacing: 0px; -webkit-text-stroke-width: 0px; margin: 0px;" class=""> </p><div style="white-space: pre-wrap; font-family: "Sans Serif"; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; word-spacing: 0px; -webkit-text-stroke-width: 0px; margin: 0px;" class="">Even</div><p style="white-space: pre-wrap; font-family: "Sans Serif"; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; word-spacing: 0px; -webkit-text-stroke-width: 0px; margin: 0px;" class=""> </p><div style="white-space: pre-wrap; font-family: "Sans Serif"; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; word-spacing: 0px; -webkit-text-stroke-width: 0px; margin: 0px;" class="">-- </div><div style="white-space: pre-wrap; font-family: "Sans Serif"; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; word-spacing: 0px; -webkit-text-stroke-width: 0px; margin: 0px;" class="">Spatialys - Geospatial professional services</div><div style="white-space: pre-wrap; font-family: "Sans Serif"; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; word-spacing: 0px; -webkit-text-stroke-width: 0px; margin: 0px;" class=""><a href="http://www.spatialys.com/" class="">http://www.spatialys.com</a></div></div></blockquote></div><br class=""><div class="">
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