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See crosstool-NG for lots more information.
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This apparently broke beginning with GCC 4.6.0. I didn't track down the root cause of the change in the GCC build process that required the sysroot files to be accessible during the pass-1 compiler build. However, the existence of the sysroot/mingw directory is not sufficient -- the headers need to be there, as well. Taking a cue from the patch referenced by Drew, I instead modified scripts/build/libc/mingw.sh by moving the contents of do_libc_start_files() to the end of do_libc_extract() [1], which should only affect MinGW targets. I verified I could build a MinGW target using GCC 4.5.3 (i686) and 4.8.1 (i686 and x86_64) using a patched crosstool-ng 1.19.0. However, I doubt this is the optimal solution. Seeing the "Installing C library headers" step during the "Extracting and patching toolchain components" step just smells bad. I'd appreciate any suggestions from the devs for a better fix that I could submit. Thanks, Steve [1] --- a/scripts/build/libc/mingw.sh +++ b/scripts/build/libc/mingw.sh @@ -11,13 +11,7 @@ do_libc_extract() { CT_Pushd "${CT_SRC_DIR}/mingw-w64-v${CT_WINAPI_VERSION}/" CT_Patch nochdir mingw-w64 "${CT_WINAPI_VERSION}" CT_Popd -} -do_libc_check_config() { - : -} - -do_libc_start_files() { local -a sdk_opts CT_DoStep INFO "Installing C library headers" @@ -56,6 +50,14 @@ do_libc_start_files() { CT_EndStep } +do_libc_check_config() { + : +} + +do_libc_start_files() { + : +} + do_libc() { CT_DoStep INFO "Building mingw-w64 files" -----Original Message----- From: Drew Bliss [mailto:drewb@valvesoftware.com] Sent: Monday, January 20, 2014 7:32 PM To: 'crossgcc@sourceware.org' Subject: RE: crosstool-ng 1.19.0 fails to build i686-unknown-mingw32 The x-tools directory appears to be cleaned up and recreated when running ct-ng build, so any manually created directory is gone by the time it gets to the point of needing it. Back in Aug 2012 the same issue was reported with 1.16 and a user said that this patch reordering steps fixed the problem. It doesn't appear to fix it with 1.19, plus the patch was considered undesirable since it breaks non-mingw builds. --- a/lib/ct-ng.1.16.0/steps.mk 2012-08-06 14:55:00.848409671 +0200 +++ b/lib/ct-ng.1.16.0/steps.mk 2012-08-06 14:39:24.736900247 +0200 @@ -36,9 +36,9 @@ binutils_for_host \ elf2flt_for_host \ sstrip_for_host \ + libc_start_files \ cc_core_pass_1 \ kernel_headers \ - libc_start_files \ cc_core_pass_2 \ libc \ cc_for_build \ -----Original Message----- From: Ray Donnelly [mailto:mingw.android@gmail.com] Sent: Monday, January 20, 2014 4:19 PM To: Drew Bliss Cc: crossgcc@sourceware.org Subject: Re: crosstool-ng 1.19.0 fails to build i686-unknown-mingw32 mkdir -p .. of course! On Tue, Jan 21, 2014 at 12:18 AM, Ray Donnelly <mingw.android@gmail.com> wrote: > As a workaround you can make the parent directory before commencing the build: > > mkdir > /home/user/x-tools/i686-unknown-mingw32/i686-unknown-mingw32/sysroot/m > ingw > > > On Mon, Jan 20, 2014 at 11:50 PM, Drew Bliss <drewb@valvesoftware.com> wrote: >> This is the same issue that Daniel Pauli mailed about in Mar 2013 but there didn't seem to be a reply. Does anybody know what the problem is here? >> >> From: Daniel Pauli <dapaulid at gmail dot com> >> To: crossgcc at sourceware dot org >> Date: Wed, 6 Mar 2013 19:47:25 +0100 >> Subject: crosstool-ng 1.18.0 fails to build i686-unknown-mingw32 for >> gcc 4.7.2 Hey there >> >> I'm trying to build the i686-unknown-mingw32 sample for gcc 4.7.2 but >> it fails at the following step: >> >> [ALL ] The directory that should contain system headers does not exist: >> [ALL ] /home/user/x-tools/i686-unknown-mingw32/i686-unknown-mingw32/sysroot/min gw/include >> [ERROR] make[2]: *** [stmp-fixinc] Error 1 >> [ALL ] rm gcc.pod >> [ALL ] make[2]: Leaving directory >> `/home/user/crosstool-ng-1.18.0/test/.build/i686-unknown-mingw32/build/b uild-cc-core-pass-1/gcc' >> [ERROR] make[1]: *** [all-gcc] Error 2 >> [ALL ] make[1]: Leaving directory >> `/home/user/crosstool-ng-1.18.0/test/.build/i686-unknown-mingw32/build/b uild-cc-core-pass-1' >> [ERROR] >> [ERROR] >> >> [ERROR] >> Build failed in step 'Installing pass-1 core C compiler' >> [ERROR] >> called in step '(top-level)' >> [ERROR] >> >> [ERROR] >> Error happened in: CT_DoExecLog[scripts/functions@257] >> [ERROR] >> called from: do_cc_core_backend[scripts/build/cc/gcc.sh@448] >> [ERROR] >> called from: do_cc_core_pass_1[scripts/build/cc/gcc.sh@101] >> [ERROR] >> called from: main[scripts/crosstool-NG.sh@632] >> >> >> -- >> For unsubscribe information see http://sourceware.org/lists.html#faq >> -- For unsubscribe information see http://sourceware.org/lists.html#faq
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