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The problem is that uclibc uses __ctype_touplow_t for its ctype stuff - it's typedef'ed to int16_t in uclibc headers. The error: In file included from ../../../../libstdc++-v3/src/ctype.cc:76: /usr/src/ark/BUILD/gcc-3.4.0-20040411/obj-arm-ark-linuxuclibc/arm-ark-linuxuclibc/libstdc++-v3/include/arm-ark-linuxuclibc/bits/ctype_noninline.h: In constructor `std::ctype<char>::ctype(int*, const short unsigned int*, bool, size_t)': /usr/src/ark/BUILD/gcc-3.4.0-20040411/obj-arm-ark-linuxuclibc/arm-ark-linuxuclibc/libstdc++-v3/include/arm-ark-linuxuclibc/bits/ctype_noninline.h:85: error: cannot convert `const __ctype_touplow_t*' to `const int*' in assignment /usr/src/ark/BUILD/gcc-3.4.0-20040411/obj-arm-ark-linuxuclibc/arm-ark-linuxuclibc/libstdc++-v3/include/arm-ark-linuxuclibc/bits/ctype_noninline.h:86: error: cannot convert `const __ctype_touplow_t*' to `const int*' in assignment /usr/src/ark/BUILD/gcc-3.4.0-20040411/obj-arm-ark-linuxuclibc/arm-ark-linuxuclibc/libstdc++-v3/include/arm-ark-linuxuclibc/bits/ctype_noninline.h: In constructor `std::ctype<char>::ctype(const short unsigned int*, bool, size_t)': /usr/src/ark/BUILD/gcc-3.4.0-20040411/obj-arm-ark-linuxuclibc/arm-ark-linuxuclibc/libstdc++-v3/include/arm-ark-linuxuclibc/bits/ctype_noninline.h:123: error: cannot convert `const __ctype_touplow_t*' to `const int*' in assignment /usr/src/ark/BUILD/gcc-3.4.0-20040411/obj-arm-ark-linuxuclibc/arm-ark-linuxuclibc/libstdc++-v3/include/arm-ark-linuxuclibc/bits/ctype_noninline.h:124: error: cannot convert `const __ctype_touplow_t*' to `const int*' in assignment make[3]: *** [ctype.lo] Error 1
Confirmed, the problem is that libstdc++ is using the glibc's version of ctype_noninline.h instead of its own or the generic one.
Created attachment 6081 [details] Tweaks needed to get it to compile It works with this patch; the patch isn't ready for inclusion because to breaks non-uclibc systems, got to add a couple of ifdefs.
Created attachment 6132 [details] Patch with ifdefs This version of the patch doesn't break non-uclibc systems, otherwise it's the same as 6081.
Hmmm. I'd prefer it if you could just add a new config/os/uclib directory, and populate it with the bits you need. Either that, or take the uclib defines out of the generic header, via some unspecified method. -benjamin
Created attachment 6381 [details] alternate approach Hey. This is a sketch of the alternate approach I'd suggested. Someone who has access to a uclibc setup, and the inclination to test this, should try it out. I suspect parts of this are wrong: it's highly unlikely that the glibc ctype bits will work with uclibc (and then the routines from the config/os/generic should be used or modified instead.). Also, in the original patch, config/locale/generic bits are touched. This is not necessary: why was it done? The __c_locale type is not equivalent to ctype bits.... I think the original patch couldn't possibly be correct. This alternate approach, when cleaned up, will actually work and is suitable for submission. best, benjamin
Can you please comment on this proposed patch? -benjamin
Can you tell us if this patch works?
Fixed by my patch <http://gcc.gnu.org/ml/gcc-patches/2006-02/msg00843.html>, pending review. I add a config/os/uclibc directory as suggested in comment#4.
Subject: Bug 14939 Author: jsm28 Date: Thu Feb 16 23:29:10 2006 New Revision: 111160 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=111160 Log: gcc: PR target/20353 PR target/24578 PR target/24837 * config/linux.opt: New file. * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER, LINUX_DYNAMIC_LINKER): Define. (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC. * config.gcc (*-*-linux*): Define extra_options. (*-*-*uclibc*): Define UCLIBC_DEFAULT. (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi. * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to GLIBC_DYNAMIC_LINKER. * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise. (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER. * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define. (LINK_SPEC): Use LINUX_DYNAMIC_LINKER. * doc/invoke.texi (GNU/Linux Options): New section. gcc/testsuite: * gcc.dg/builtins-config.h (HAVE_C99_RUNTIME): Don't define if __UCLIBC__ is defined. libstdc++-v3: PR libstdc++/14939 * config/os/uclibc/ctype_base.h, config/os/uclibc/ctype_inline.h, config/os/uclibc/ctype_noninline.h, config/os/uclibc/os_defines.h: New. * acinclude.m4 (GLIBCXX_CONFIGURE): Test whether using uClibc. * configure.host: Use os/uclibc for uClibc. * crossconfig.m4 (*-linux*): Use link tests. Don't hardcode presence of math functions. * configure: Regenerate. Added: trunk/gcc/config/linux.opt trunk/libstdc++-v3/config/os/uclibc/ trunk/libstdc++-v3/config/os/uclibc/ctype_base.h trunk/libstdc++-v3/config/os/uclibc/ctype_inline.h trunk/libstdc++-v3/config/os/uclibc/ctype_noninline.h trunk/libstdc++-v3/config/os/uclibc/os_defines.h Modified: trunk/gcc/ChangeLog trunk/gcc/config.gcc trunk/gcc/config/arm/linux-eabi.h trunk/gcc/config/arm/linux-elf.h trunk/gcc/config/linux.h trunk/gcc/config/mips/linux.h trunk/gcc/doc/invoke.texi trunk/gcc/testsuite/ChangeLog trunk/gcc/testsuite/gcc.dg/builtins-config.h trunk/libstdc++-v3/ChangeLog trunk/libstdc++-v3/acinclude.m4 trunk/libstdc++-v3/configure trunk/libstdc++-v3/configure.host trunk/libstdc++-v3/crossconfig.m4
Subject: Bug 14939 Author: jsm28 Date: Thu Feb 16 23:38:44 2006 New Revision: 111161 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=111161 Log: PR libstdc++/14939 PR target/20353 PR target/24578 PR target/24837 * gcc/config/linux.opt: New file. * gcc/config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER, LINUX_DYNAMIC_LINKER): Define. (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC. * gcc/config.gcc (*-*-linux*): Define extra_options. (*-*-*uclibc*): Define UCLIBC_DEFAULT. (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi. * gcc/config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to GLIBC_DYNAMIC_LINKER. * gcc/config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise. (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER. * gcc/config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define. (LINK_SPEC): Use LINUX_DYNAMIC_LINKER. * gcc/doc/invoke.texi (GNU/Linux Options): New section. * gcc/testsuite/gcc.dg/builtins-config.h (HAVE_C99_RUNTIME): Don't define if __UCLIBC__ is defined. * libstdc++-v3/config/os/uclibc/ctype_base.h, libstdc++-v3/config/os/uclibc/ctype_inline.h, libstdc++-v3/config/os/uclibc/ctype_noninline.h, libstdc++-v3/config/os/uclibc/os_defines.h: New. * libstdc++-v3/acinclude.m4 (GLIBCXX_CONFIGURE): Test whether using uClibc. * libstdc++-v3/configure.host: Use os/uclibc for uClibc. * libstdc++-v3/crossconfig.m4 (*-linux*): Use link tests. Don't hardcode presence of math functions. * libstdc++-v3/configure: Regenerate. Added: branches/csl/sourcerygxx-4_1/gcc/config/linux.opt branches/csl/sourcerygxx-4_1/libstdc++-v3/config/os/uclibc/ branches/csl/sourcerygxx-4_1/libstdc++-v3/config/os/uclibc/ctype_base.h branches/csl/sourcerygxx-4_1/libstdc++-v3/config/os/uclibc/ctype_inline.h branches/csl/sourcerygxx-4_1/libstdc++-v3/config/os/uclibc/ctype_noninline.h branches/csl/sourcerygxx-4_1/libstdc++-v3/config/os/uclibc/os_defines.h Modified: branches/csl/sourcerygxx-4_1/ChangeLog.csl branches/csl/sourcerygxx-4_1/gcc/config.gcc branches/csl/sourcerygxx-4_1/gcc/config/arm/linux-eabi.h branches/csl/sourcerygxx-4_1/gcc/config/arm/linux-elf.h branches/csl/sourcerygxx-4_1/gcc/config/linux.h branches/csl/sourcerygxx-4_1/gcc/config/mips/linux.h branches/csl/sourcerygxx-4_1/gcc/doc/invoke.texi branches/csl/sourcerygxx-4_1/gcc/testsuite/gcc.dg/builtins-config.h branches/csl/sourcerygxx-4_1/libstdc++-v3/acinclude.m4 branches/csl/sourcerygxx-4_1/libstdc++-v3/configure branches/csl/sourcerygxx-4_1/libstdc++-v3/configure.host branches/csl/sourcerygxx-4_1/libstdc++-v3/crossconfig.m4
Fixed for 4.2.