[Octave-bug-tracker] [bug #61668] [octave-forge] (gsl) configure tests fail because main is defined with no return type

[Marius Schamschula]

Follow-up Comment #5, bug#61668 (group octave):

This is a different error that I see when building using MacPorts:

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Octave was configured for "aarch64-apple-darwin22.6.0".

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>> pkg install -forge -verbose gsl
downloading tarball(s) from:
- https://packages.octave.org/download/gsl-2.1.1.tar.gz
mkdir (/var/folders/wp/pwsddx5n5p513r6z73qfsf440000gn/T/oct-JWQt61)
untar
(/var/folders/wp/pwsddx5n5p513r6z73qfsf440000gn/T/gsl-2.1.1-xTsCIn.tar.gz,
/var/folders/wp/pwsddx5n5p513r6z73qfsf440000gn/T/oct-JWQt61)
checking for mkoctfile... /opt/local/bin/mkoctfile-8.4.0 --verbose
checking for octave... /opt/local/bin/octave-8.4.0
checking for Octave's canonical_host_type...
aarch64-apple-darwin22.6.0
checking for Octave's include directory...
/opt/local/include/octave-8.4.0/octave
checking whether the C++ compiler works... yes
checking for C++ compiler default output file name... a.out
checking for suffix of executables...
checking whether we are cross compiling... no
checking for suffix of object files... o
checking whether we are using the GNU C++ compiler... yes
checking whether /usr/bin/clang++ -std=gnu++11 accepts -g... yes
checking how to run the C++ preprocessor... /usr/bin/clang++ -std=gnu++11 -E
checking for grep that handles long lines and -e... /usr/bin/grep
checking for egrep... /usr/bin/grep -E
checking for ANSI C header files... yes
checking for sys/types.h... yes
checking for sys/stat.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for memory.h... yes
checking for strings.h... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for unistd.h... yes
checking ov-scalar.h usability... yes
checking ov-scalar.h presence... yes
checking for ov-scalar.h... yes
checking for cos in -lm... yes
checking for cblas_dgemm in -lgslcblas... no
configure: error: gslcblas library not found

error: pkg: error running the configure script for gsl
error: called from
    configure_make at line 107 column 9
    install at line 202 column 7
    pkg at line 619 column 9
>>


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