cernlib: add -fcommon workaround
Workaround build failure on -fno-common toolchains like upstream gcc-10. Otherwise build fails as: ld: libpacklib.a(kedit.o):kuip/klink1.h:11: multiple definition of `klnkaddr'; libzftplib.a(zftpcdf.o):zftp/zftpcdf.c:155: first defined here
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@ -53,6 +53,11 @@ stdenv.mkDerivation rec {
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NIX_CFLAGS = [ "-Wno-return-type" ];
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# Workaround build failure on -fno-common toolchains:
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# ld: libpacklib.a(kedit.o):kuip/klink1.h:11: multiple definition of `klnkaddr';
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# libzftplib.a(zftpcdf.o):zftp/zftpcdf.c:155: first defined here
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NIX_CFLAGS_COMPILE = "-fcommon";
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makeFlags = [
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"FORTRANOPTIONS=$(FFLAGS)"
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"CCOPTIONS=$(NIX_CFLAGS)"
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