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add LIBCC (compiler runtime) logic and override to configure
this should both fix the issue with ARM needing -lgcc_eh (although that's really a bug in the libgcc build process that's causing considerable bloat, which should be fixed) and make it easier to build musl using clang/llvm in place of gcc. unfortunately I don't know a good way to detect and support pcc's -lpcc since it's not in pcc's default library search path...
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7
configure
vendored
7
configure
vendored
@ -34,6 +34,7 @@ Some influential environment variables:
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CC C compiler command [detected]
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CFLAGS C compiler flags [-Os -pipe ...]
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CROSS_COMPILE prefix for cross compiler and tools [none]
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LIBCC compiler runtime library [detected]
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Use these variables to override the choices made by configure.
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@ -128,6 +129,7 @@ CFLAGS=*) CFLAGS=${arg#*=} ;;
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CPPFLAGS=*) CPPFLAGS=${arg#*=} ;;
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LDFLAGS=*) LDFLAGS=${arg#*=} ;;
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CROSS_COMPILE=*) CROSS_COMPILE=${arg#*=} ;;
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LIBCC=*) LIBCC=${arg#*=} ;;
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*=*) ;;
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*) target=$arg ;;
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esac
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@ -286,6 +288,10 @@ printf "warning: disabling dynamic linking support\n"
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shared=no
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}
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# Find compiler runtime library
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test -z "$LIBCC" && tryldflag LIBCC -lgcc && tryldflag LIBCC -lgcc_eh
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test -z "$LIBCC" && tryldflag LIBCC -lcompiler_rt
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printf "using compiler runtime libraries: %s\n" "$LIBCC"
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printf "creating config.mak... "
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@ -309,6 +315,7 @@ CFLAGS_C99FSE = $CFLAGS_C99FSE
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CPPFLAGS = $CPPFLAGS
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LDFLAGS = $LDFLAGS_AUTO $LDFLAGS
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CROSS_COMPILE = $CROSS_COMPILE
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LIBCC = $LIBCC
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EOF
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test "x$static" = xno && echo "STATIC_LIBS ="
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test "x$shared" = xno && echo "SHARED_LIBS ="
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