Forum: Ruby-dev [ruby-trunk - Bug #8901][Open] "-lgmp: not found" でlibruby-static.a 作成に失敗する

205ca9566e14fb669ed977cae5af88e0?d=identicon&s=25 ngoto (Naohisa Goto) (Guest)
on 2013-09-12 10:38
(Received via mailing list)
Issue #8901 has been reported by ngoto (Naohisa Goto).

----------------------------------------
Bug #8901: "-lgmp: not found" でlibruby-static.a 作成に失敗する
https://bugs.ruby-lang.org/issues/8901

Author: ngoto (Naohisa Goto)
Status: Open
Priority: Normal
Assignee: nobu (Nobuyoshi Nakada)
Category: build
Target version:
ruby -v: ruby 2.1.0dev (2013-09-11) [sparc64-solaris2.10]
Backport: 1.9.3: UNKNOWN, 2.0.0: UNKNOWN


BignumにGMPを使うようになって以降、Solarisで以下のようにlibruby-static.a の作成に失敗するようになりました。
Solaris以外にも、LDFLAGSでライブラリの場所を指定する必要のある環境では同様に失敗すると思います。

 % CC=cc
 % CXX=CC
 % CPPLAGS="-I/usr/local/64/lib/libffi-3.0.10/include
-I/usr/local/64/include"
 % CFLAGS="-xO1 -xtarget=sparc64viiplus -m64"
 % CXXFLAGS="-xO1 -xtarget=sparc64viiplus -m64"
 % LDFLAGS="-m64 -L/usr/local/64/lib -R/usr/local/64/lib"
 % DLDFLAGS="-m64  -L/usr/local/64/lib -R/usr/local/64/lib"
 % export CC CXX CPPFLAGS CFLAGS CXXFLAGS LDFLAGS DLDFLAGS
 % ./configure --prefix=/XXX --build=sparc64-sun-solaris2.10
--with-tclConfig-dir=/usr/local/64/lib
--with-tkConfig-dir=/usr/local/64/lib --enable-shared
 (中略)
 checking gmp.h usability... yes
 checking gmp.h presence... yes
 checking for gmp.h... yes
 checking for __gmpz_init in -lgmp... yes
 (中略)
 configure: creating ./config.status
 config.status: creating GNUmakefile
 config.status: creating Makefile
 config.status: creating ruby-2.1.pc
 % make V=1
 (中略)
 ar rcu libruby-static.a ruby-glommed.o dmyext.o
 ld: fatal: library -lgmp: not found
 ld: fatal: file processing errors. No output written to conftest
 make: *** [libruby-static.a] Error 2

以下のように verifying static-library $@ のところで $(LDFLAGS) の順番を ruby
本体を作成するときと同じように $(XLDFLAGS) の直前に変更すると治りました。

 Index: Makefile.in
 ===================================================================
 --- Makefile.in (revision 42917)
 +++ Makefile.in (working copy)
 @@ -215,7 +215,7 @@
                 $(Q) $(AR) $(ARFLAGS) $@ $(LIBRUBY_A_OBJS) $(DMYEXT)
                 @-$(RANLIB) $@ 2> /dev/null || true
                 $(ECHO) verifying static-library $@
 -               @$(PURIFY) $(CC) $(XLDFLAGS) $(MAINOBJ) $(LIBRUBY_A)
$(MAINLIBS) $(EXTLIBS) $(LIBS) $(OUTFLAG)conftest$(EXEEXT) $(LDFLAGS)
 +               @$(PURIFY) $(CC) $(LDFLAGS) $(XLDFLAGS) $(MAINOBJ)
$(LIBRUBY_A) $(MAINLIBS) $(EXTLIBS) $(LIBS) $(OUTFLAG)conftest$(EXEEXT)
                 @$(RM) conftest$(EXEEXT) conftest.c

  $(LIBRUBY_SO):
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