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commit: e4da4705a51d46236f3e9a0d2c850455b7d9772c |
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Author: Sergei Trofimovich <slyfox <AT> gentoo <DOT> org> |
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AuthorDate: Sun Apr 29 15:26:25 2018 +0000 |
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Commit: Sergei Trofimovich <slyfox <AT> gentoo <DOT> org> |
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CommitDate: Sun Apr 29 15:31:31 2018 +0000 |
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URL: https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=e4da4705 |
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eclass/toolchain.eclass: disable libstdcxx-time for bare metal |
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|
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Historically Gentoo unconditionally sets --enable-libstdcxx-time=yes |
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to avoid --enable-libstdcxx-time=rt on linux targets, bug #411681 |
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|
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Unfortunately this conflicts with arm-none-eabi and other |
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bare-metal targets that don't provide enough plumbing |
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to support for POSIX timers. |
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|
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This change ogerrides our default to --disable-libstdcxx-time |
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on *-elf and *-eabi targets. |
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|
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Tested as: |
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$ crossdev --stage4 arm-none-eabi |
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|
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Reported-by: scheer <AT> wsoptics.de |
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Reported-by: Thomas Schneider |
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Bug: https://bugs.gentoo.org/411681 |
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Bug: https://bugs.gentoo.org/589672 |
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Signed-off-by: Sergei Trofimovich <slyfox <AT> gentoo.org> |
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|
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eclass/toolchain.eclass | 9 ++++++++- |
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1 file changed, 8 insertions(+), 1 deletion(-) |
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diff --git a/eclass/toolchain.eclass b/eclass/toolchain.eclass |
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index df76dc4feb8..c942a112c75 100644 |
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--- a/eclass/toolchain.eclass |
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+++ b/eclass/toolchain.eclass |
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@@ -971,7 +971,14 @@ toolchain_src_configure() { |
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case ${CTARGET} in |
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*-linux) needed_libc=no-fucking-clue;; |
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*-dietlibc) needed_libc=dietlibc;; |
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- *-elf|*-eabi) needed_libc=newlib;; |
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+ *-elf|*-eabi) |
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+ needed_libc=newlib |
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+ # Bare-metal targets don't have access to clock_gettime() |
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+ # arm-none-eabi example: bug #589672 |
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+ # But we explicitly do --enable-libstdcxx-time above. |
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+ # Undoing it here. |
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+ confgcc+=( --disable-libstdcxx-time ) |
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+ ;; |
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*-freebsd*) needed_libc=freebsd-lib;; |
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*-gnu*) needed_libc=glibc;; |
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*-klibc) needed_libc=klibc;; |
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