global @6.6.4: error: implicit declaration of function 'realpath' is invalid in C99

[andyturk (Andy Turk)]

$ sudo port install global
--->  Computing dependencies for global
--->  Fetching archive for global
--->  Attempting to fetch global-6.6.4_1.darwin_19.x86_64.tbz2 from https://packages.macports.org/global
--->  Attempting to fetch global-6.6.4_1.darwin_19.x86_64.tbz2 from https://ywg.ca.packages.macports.org/mirror/macports/packages/global/global
--->  Attempting to fetch global-6.6.4_1.darwin_19.x86_64.tbz2 from https://kmq.jp.packages.macports.org/global
--->  Configuring global
Error: Failed to configure global, consult /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_global/global/work/global-6.6.4/config.log
Error: Failed to configure global: configure failure: command execution failed
Error: See /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_global/global/main.log for details.
Error: Follow https://guide.macports.org/#project.tickets to report a bug.
Error: Processing of port global failed

This was on a fresh install of macports on a machine running macOS 10.15.7

[andyturk (Andy Turk)]

config.log file from broken gnu global

[andyturk (Andy Turk)]

main.log

[jmroot (Joshua Root)]

conftest.c:59:15: error: implicit declaration of function 'realpath' is invalid in C99 [-Werror,-Wimplicit-function-declaration]

[xdxu]

I manually applied the following patch and build passed.

--- configure.orig	2019-12-24 04:13:29.000000000 -0800
+++ configure	2020-11-21 10:30:57.000000000 -0800
@@ -14286,6 +14286,7 @@
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
+#include <stdlib.h>

 main(){ (void)realpath("/./tmp", (void *)0); return 0; }

Hope it helps.

[ryandesign (Ryan Carsten Schmidt)]

In 0397559f8ffbc5c6358d2eddc71adc09baf098ea/macports-ports (master):

global: Fix implicit declaration of function

Closes: #61554
Closes: ​https://github.com/macports/macports-ports/pull/9172