[MacPorts] #56647: octave @4.4.0_3 fails to build when using Apple's clang compiler

[MacPorts]

#56647: octave @4.4.0_3 fails to build when using Apple's clang compiler
---------------------------+--------------------
 Reporter:  josephsacco    |      Owner:  (none)
     Type:  defect         |     Status:  new
 Priority:  Normal         |  Milestone:
Component:  ports          |    Version:  2.5.2
 Keywords:  octave, clang  |       Port:  octave
---------------------------+--------------------
 System:  late 2015 iMAC, OSX 10.13.5

 octave @4.4.0_3 fails to build when using Apple's clang compiler
 {{{
 cavandish:~ jsacco$ /usr/bin/clang --version
 Apple LLVM version 9.1.0 (clang-902.0.39.2)
 Target: x86_64-apple-darwin17.6.0
 Thread model: posix
 InstalledDir:
 /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin
 }}}

 The default build dies during 'configure':
 {{{
 checking for sgemm_ in -L/opt/local/lib -lvecLibFort... yes
 checking whether LSAME is called correctly from Fortran... no
 checking whether ISAMAX is called correctly from Fortran... no
 checking whether SDOT is called correctly from Fortran... no
 checking whether DDOT is called correctly from Fortran... no
 checking whether CDOTU is called correctly from Fortran... no
 checking whether ZDOTU is called correctly from Fortran... no
 checking BLAS library integer size... 4
 checking for sgemm_ in -L/opt/local/lib -lvecLibFort... yes
 checking whether LSAME is called correctly from Fortran... no
 checking whether ISAMAX is called correctly from Fortran... no
 checking whether SDOT is called correctly from Fortran... no
 checking whether DDOT is called correctly from Fortran... no
 checking whether CDOTU is called correctly from Fortran... no
 checking whether ZDOTU is called correctly from Fortran... no
 checking BLAS library integer size... 4
 checking for sgemm_ in -L/opt/local/lib -lvecLibFort... yes
 checking whether LSAME is called correctly from Fortran... no
 checking whether ISAMAX is called correctly from Fortran... no
 checking whether SDOT is called correctly from Fortran... no
 checking whether DDOT is called correctly from Fortran... no
 checking whether CDOTU is called correctly from Fortran... no
 checking whether ZDOTU is called correctly from Fortran... no
 checking BLAS library integer size... 4
 configure: error: BLAS and LAPACK libraries are required
 }}}

 See attached main.log and config.log for full details

 -Joseph

-- 
Ticket URL: <https://trac.macports.org/ticket/56647>
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