This makes 'guix environment PACKAGE' significantly faster when
substitutes are enabled. Before that, it would lead to many invocations
of 'guix substitute-binary', one per 'derivation-prerequisites-to-build'
call. Now, all these are replaced by a single invocation.
* guix/derivations.scm (derivation-output-paths, substitution-oracle):
New procedures.
(derivation-prerequisites-to-build): Replace #:use-substitutes? with
#:substitutable?. Remove the local 'derivation-output-paths' and
'substitutable?'.
* guix/ui.scm (show-what-to-build): Add 'substitutable?'. Pass it to
'derivation-prerequisites-to-build'.
[built-or-substitutable?]: Use it instead of 'has-substitutes?'.
* tests/derivations.scm ("derivation-prerequisites-to-build and
substitutes"): Use #:substitutable? instead of #:use-substitutes?.
* guix/derivations.scm (derivation-output-names): New procedure.
(derivation-prerequisites-to-build): Use it for #:outputs.
(map-derivation): Likewise.
* tests/derivations.scm ("derivation-output-names"): New test.
* guix/build/utils.scm (patch-/usr/bin/file): New procedure.
* guix/build/gnu-build-system.scm (patch-usr-bin-file): Rewrite using
it. Patch all the files returned by 'find-files' that are executable.
* gnu/packages/gawk.scm (gawk)[arguments]: Remove use of 'substitute*'
for 'extension/configure'.
* guix/scripts/substitute-binary.scm (narinfo-signature->canonical-sexp):
Change "~a" to "~s" in error message.
(%signature-line-rx): Remove.
(narinfo-sha256): Use 'string-contains' instead of 'regexp-exec', and
'string-take' instead of 'match:substring'.
* guix/records.scm (%recutils-field-rx, %recutils-comment-rx,
%recutils-plus-rx): Remove.
(%recutils-field-charset): New variable.
(recutils->alist): Adjust to use tests (string-ref line 0) instead of
regexps.
* gnu/packages/bootstrap/armhf-linux/bash,
gnu/packages/bootstrap/armhf-linux/mkdir,
gnu/packages/bootstrap/armhf-linux/tar,
gnu/packages/bootstrap/armhf-linux/xz: New files.
* gnu-system.am (bootstrap_armhf_linuxdir, dist_bootstrap_armhf_linux_DATA)
(nodist_bootstrap_armhf_linux_DATA): New variables.
(DISTCLEANFILES): Add $(nodist_bootstrap_armhf_linux_DATA).
(gnu/packages/bootstrap/armhf-linux/guile-2.0.11.tar.xz): New target.
* build-aux/download.scm (file-name->uri): Use newer date in URI for
armhf-linux.
* gnu/packages/bootstrap.scm (raw-build): Use "guile-2.0.11.tar.xz" on
armhf-linux.
(glibc-dynamic-linker, %bootstrap-coreutils&co, %bootstrap-binutils)
(%bootstrap-glibc, %bootstrap-gcc): Add armhf-linux cases.
* m4/guix.m4 (GUIX_SYSTEM_TYPE): Add armhf case.
(GUIX_ASSERT_SUPPORTED_SYSTEM): Add armhf-linux to list of
supported systems.
* doc/guix.texi (GNU Distribution): Add armhf-linux to the list of
supported systems.
Based on preliminary work by John Darrington <john@darrington.wattle.id.au>.
* gnu/packages/cross-base.scm (xgcc-armhf): New variable.
* gnu/packages/gcc.scm (gcc-configure-flags-for-triplet): Add armhf case.
(gcc-4.7)[pre-configure]: Add gcc/config/*/linux-eabi.h to the list
of files in which to patch GLIBC_DYNAMIC_LINKER.
* gnu/packages/bootstrap.scm (glibc-dynamic-linker): Add armhf case.
* guix/utils.scm (gnu-triplet->nix-system, nix-system->gnu-triplet):
Add armhf cases.
* gnu/packages/patches/gmp-arm-asm-nothumb.patch: New file.
* gnu-system.am (dist_patch_DATA): Add it.
* gnu/packages/multiprecision.scm (gmp): Add patch. Include --build triplet
in configure args when building natively.
* gnu/packages/commencement.scm (gcc-final): Use bootstrap guile to
build gmp-source.
* gnu/packages/gcc.scm (gcc-configure-flags-for-triplet): Do not export it.
(gcc-4.7): Pass the result of 'gcc-configure-flags-for-triplet' to configure
for all builds, including native ones.
* gnu/packages/cross-base.scm (cross-gcc-arguments): Do not add the result of
'gcc-configure-flags-for-triplet' here, since it is now included in the
configure-flags inherited from gcc-4.8.
* gnu/packages/bootstrap.scm (%bootstrap-coreutils&co): Add #:snippet argument
to 'package-from-tarball' that calls 'patch-shebang' on egrep and fgrep
after unpacking. Test 'fgrep' instead of 'true'.
This partially reverts 9b1bf33081.
"gnu: Remove a bunch of now unneeded '--mandir' configure flags."
* gnu/packages/tcl.scm (tcl)[arguments]: Put back the --mandir configure flag,
with a comment explaining why it's still needed.
This reverts commit 9097e666d4.
This turned out not to be a good strategy. Some build system, e.g. tcl's, do
not pass -pthread on GNU/Linux by default, but merely link with -lpthread.
Also, Ludovic found other cases where libgcc_s is dlopened by libc that have
nothing to do with pthreads, e.g. to walk the stack.
Suggested by Ludovic Courtès <ludo@gnu.org>.
* gnu/packages/gcc.scm (gcc-4.7): In our modified GNU_USER_TARGET_LIB_SPEC,
add '-lgcc_s' only when '-pthread' is given.
