23474be4b0
* Add variant to build shared Perl lib Add a variant that enables Perl's "useshrplib" feature, which builds a shared perl library. This addresses problems like so: ``` /usr/bin/ld: /blah/blah/spack/opt/spack/linux-centos7-x86_64/gcc-4.8.5/perl-5.24.1-y43dp3p5w66v7qh5xkwgufxohyuodyew/lib/5.24.1/x86_64-linux/CORE/libperl.a(op.o): relocation R_X86_64_32S against `PL_opargs' can not be used when making a shared object; recompile with -fPIC /blah/blah/spack/opt/spack/linux-centos7-x86_64/gcc-4.8.5/perl-5.24.1-y43dp3p5w66v7qh5xkwgufxohyuodyew/lib/5.24.1/x86_64-linux/CORE/libperl.a: could not read symbols: Bad value ``` It should also address the Intel compiler issue discussed in #3081 while respecting Perl's configuration machinery. * Rename shared variant and default to True * Use correct variant to add configure arg * Restore bits that set ccflags for intel compilers After some experimentation we've established that setting the flag to build a shared perl library is tightly tied to the use of -fPIC. This commit restores the code that sets ccflags for intel compilers. * Flake8 cleanup |
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