gdc git compiling failed on ArchLinux amd64

[dangbinghoo]

hi all,

in Archlinux, I tried to build gdc-10(git version), but it failed:

```
gdc -no-pie -lstdc++   -g -DIN_GCC     -fno-exceptions -fno-rtti 
-fasynchronous-unwind-tables -W -Wall -Wno-narrowing 
-Wwrite-strings -Wcast-qual -Wno-format 
-Wmissing-format-attribute -Woverloaded-virtual -pedantic 
-Wno-long-long -Wno-variadic-macros -Wno-overlength-strings   
-DHAVE_CONFIG_H -static-libstdc++ -static-libgcc 
-Wl,-O1,--sort-common,--as-needed,-z,relro,-z,now -o d21 \
	d/aav.o d/access.o d/aggregate.o d/aliasthis.o d/apply.o 
d/array.o d/arrayop.o d/arraytypes.o d/attrib.o d/ast_node.o 
d/astcodegen.o d/blockexit.o d/builtin.o d/canthrow.o d/clone.o 
d/compiler.o d/complex.o d/cond.o d/constfold.o d/cppmangle.o 
d/ctfeexpr.o d/ctfloat.o d/ctorflow.o d/dcast.o d/dclass.o 
d/declaration.o d/delegatize.o d/denum.o d/dimport.o 
d/dinterpret.o d/dmacro.o d/dmangle.o d/dmodule.o d/doc.o 
d/dscope.o d/dstruct.o d/dsymbol.o d/dsymbolsem.o d/dtemplate.o 
d/dversion.o d/entity.o d/errors.o d/escape.o d/expression.o 
d/expressionsem.o d/file.o d/filename.o d/func.o d/globals.o 
d/gluelayer.o d/hash.o d/hdrgen.o d/iasm.o d/iasmgcc.o d/id.o 
d/identifier.o d/impcnvtab.o d/imphint.o d/init.o d/initsem.o 
d/inline.o d/intrange.o d/json.o d/lambdacomp.o d/lexer.o 
d/longdouble.o d/mtype.o d/nogc.o d/nspace.o d/objc.o d/opover.o 
d/optimize.o d/outbuffer.o d/parse.o d/parsetimevisitor.o 
d/permissivevisitor.o d/port.o d/printast.o d/rmem.o 
d/rootobject.o d/safe.o d/sapply.o d/semantic2.o d/semantic3.o 
d/sideeffect.o d/speller.o d/statement.o 
d/statement_rewrite_walker.o d/statementsem.o d/staticassert.o 
d/staticcond.o d/stringtable.o d/target.o d/templateparamsem.o 
d/tokens.o d/traits.o d/transitivevisitor.o d/typesem.o 
d/typinf.o d/utf.o d/utils.o d/visitor.o d/d-attribs.o 
d/d-builtins.o d/d-codegen.o d/d-convert.o d/d-diagnostic.o 
d/d-frontend.o d/d-incpath.o d/d-lang.o d/d-longdouble.o 
d/d-target.o d/decl.o d/expr.o d/imports.o d/intrinsics.o 
d/modules.o d/runtime.o d/toir.o d/typeinfo.o d/types.o i386-d.o 
glibc-d.o attribs.o libbackend.a main.o libcommon-target.a 
libcommon.a ../libcpp/libcpp.a ../libdecnumber/libdecnumber.a 
libcommon.a ../libcpp/libcpp.a   
../libbacktrace/.libs/libbacktrace.a ../libiberty/libiberty.a 
../libdecnumber/libdecnumber.a  
-L/media/Devel/Yaourt/build/gdc-git/src/gcc-build/./isl/.libs  
-lisl -lmpc -lmpfr -lgmp -rdynamic -ldl  -lz
ld: d/file.o: in function `File::read(char const*)':
file.d:(.text+0x362): undefined reference to 
`_D4core4stdc5errno5errnoFNbNdNiNeZi'
ld: file.d:(.text+0x3b2): undefined reference to 
`_D4core4stdc5errno5errnoFNbNdNiNeZi'
ld: file.d:(.text+0x402): undefined reference to 
`_D4core4stdc5errno5errnoFNbNdNiNeZi'
ld: d/filename.o: in function 
`_D3dmd4root8filename8FileName16ensurePathExistsFNbAxaZb':
filename.d:(.text+0x1653): undefined reference to 
`_D4core4stdc5errno5errnoFNbNdNiNeiZi'
ld: filename.d:(.text+0x166c): undefined reference to 
`_D4core4stdc5errno5errnoFNbNdNiNeZi'
ld: d/globals.o: in function 
`_D3dmd7globals3Loc6toHashMxFNaNbNeZm':
globals.d:(.text+0x20c6): undefined reference to 
`_D4core8internal4hash9bytesHashFNaNbNiPxvmmZm'
ld: globals.d:(.text+0x20d8): undefined reference to 
`_D4core8internal4hash9bytesHashFNaNbNiPxvmmZm'
ld: d/globals.o: in function 
`_D6object14__T6hashOfTxkZ6hashOfFNaNbNfKxkmZm':
globals.d:(.text._D6object14__T6hashOfTxkZ6hashOfFNaNbNfKxkmZm[_D6object14__T6hashOfTxkZ6hashOfFNaNbNfKxkmZm]+0xa): undefined reference to `_D4core8internal4hash9bytesHashFNaNbNiPxvmmZm'
ld: d/globals.o: in function 
`_D6object15__T6hashOfTAxaZ6hashOfFNaNbNiAxamZm':
globals.d:(.text._D6object15__T6hashOfTAxaZ6hashOfFNaNbNiAxamZm[_D6object15__T6hashOfTAxaZ6hashOfFNaNbNiAxamZm]+0xb): undefined reference to `_D4core8internal4hash9bytesHashFNaNbNiPxvmmZm'
ld: d/globals.o: in function 
`_D4core8internal4hash14__T6hashOfTxkZ6hashOfFNaNbNeKxkmZm':
globals.d:(.text._D4core8internal4hash14__T6hashOfTxkZ6hashOfFNaNbNeKxkmZm[_D4core8internal4hash14__T6hashOfTxkZ6hashOfFNaNbNeKxkmZm]+0xa): undefined reference to `_D4core8internal4hash9bytesHashFNaNbNiPxvmmZm'
ld: 
d/globals.o:globals.d:(.text._D4core8internal4hash15__T6hashOfTAxaZ6hashOfFNaNbNiKAxamZm[_D4core8internal4hash15__T6hashOfTAxaZ6hashOfFNaNbNiKAxamZm]+0xc): more undefined references to `_D4core8internal4hash9bytesHashFNaNbNiPxvmmZm' follow
ld: d/printast.o: in function 
`PrintASTVisitor::visit(Expression*)':
printast.d:(.text+0x21): undefined reference to 
`_D4core4stdc5stdio4putcFNbNiNeiPOS4core4stdc5stdio8_IO_FILEZi'
ld: d/printast.o: in function `PrintASTVisitor::visit(UnaExp*)':
printast.d:(.text+0xb1): undefined reference to 
`_D4core4stdc5stdio4putcFNbNiNeiPOS4core4stdc5stdio8_IO_FILEZi'
ld: d/printast.o: in function `PrintASTVisitor::visit(BinExp*)':
printast.d:(.text+0x182): undefined reference to 
`_D4core4stdc5stdio4putcFNbNiNeiPOS4core4stdc5stdio8_IO_FILEZi'
ld: d/printast.o: in function 
`PrintASTVisitor::visit(DelegateExp*)':
printast.d:(.text+0x261): undefined reference to 
`_D4core4stdc5stdio4putcFNbNiNeiPOS4core4stdc5stdio8_IO_FILEZi'
ld: printast.d:(.text+0x2c1): undefined reference to 
`_D4core4stdc5stdio4putcFNbNiNeiPOS4core4stdc5stdio8_IO_FILEZi'
ld: d/printast.o:printast.d:(.text+0x331): more undefined 
references to 
`_D4core4stdc5stdio4putcFNbNiNeiPOS4core4stdc5stdio8_IO_FILEZi' 
follow
make[3]: *** 
[/media/Devel/Yaourt/build/gdc-git/src/gcc/gcc/d/Make-lang.in:189：d21] Error 1

```

the gdc used to building GDC10-git is gdc-9.1.0 static version 
from Archlinux AUR package gdc-static.

Thanks!

---
binghoo dang