[MacPorts] #69464: gmp @6.3.0_0 configure error : configure: error: No usable m4 in $PATH or /usr/5bin

[MacPorts]

#69464: gmp @6.3.0_0 configure error : configure: error: No usable m4 in $PATH or
/usr/5bin
----------------------------+--------------------
  Reporter:  nanigashi-uji  |      Owner:  (none)
      Type:  defect         |     Status:  new
  Priority:  Normal         |  Milestone:
 Component:  ports          |    Version:  2.9.1
Resolution:                 |   Keywords:
      Port:                 |
----------------------------+--------------------
Description changed by nanigashi-uji:

Old description:

> Under the environment at Sonoma 14.4 and Xcode15.3, even Xcode command
> line is installed, m4 can not be detected during "configure".
>
> Corresponding part of outout from 'port -v install gmp'
> {{{
> ...
> checking for sstream... yes
> checking for std::locale... yes
> checking for suitable m4... configure: error: No usable m4 in $PATH or
> /usr/5bin (see config.log for reasons).
> Command failed:  cd "......../gmp/work/gmp-6.3.0" && ./configure
> --prefix=/....  --host=applem1-apple-darwin23 --enable-cxx
> Exit code: 1
> ...
> }}}
>
> I found that the issue can be averted by adding the following lines in
> Ports file.
>

> {{{
> if {${os.platform} eq "darwin" && ${os.major} > 13 && [string match
> *clang* ${configure.compiler}]} {
>     configure.env-append
> M4=/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/gm4
> }
>
> }}}

New description:

 Under the environment at Sonoma 14.4 and Xcode15.3, even Xcode command
 line is installed, m4 can not be detected during "configure".

 Corresponding part of outout from 'port -v install gmp'
 {{{
 ...
 checking for sstream... yes
 checking for std::locale... yes
 checking for suitable m4... configure: error: No usable m4 in $PATH or
 /usr/5bin (see config.log for reasons).
 Command failed:  cd "......../gmp/work/gmp-6.3.0" && ./configure
 --prefix=/....  --host=applem1-apple-darwin23 --enable-cxx
 Exit code: 1
 ...
 }}}

 I found that the issue can be averted by adding the following lines in
 Portfile.


 {{{
 if {${os.platform} eq "darwin" && ${os.major} > 13 && [string match
 *clang* ${configure.compiler}]} {
     configure.env-append
 M4=/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/gm4
 }

 }}}

--

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Ticket URL: <https://trac.macports.org/ticket/69464#comment:1>
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