Update buildroot 2020.02.01 (#622)
* Update buildroot 2020.02.01 Signed-off-by: Pascal Vizeli <pvizeli@syshack.ch> * Fix LN * Fix wpa Signed-off-by: Pascal Vizeli <pvizeli@syshack.ch> * Fix lint Signed-off-by: Pascal Vizeli <pvizeli@syshack.ch> * fix-network Signed-off-by: Pascal Vizeli <pvizeli@syshack.ch> * Fix script Signed-off-by: Pascal Vizeli <pvizeli@syshack.ch>
This commit is contained in:
Pascal Vizeli
@@ -0,0 +1,142 @@
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From 1146bf07624b5820b942b84b68e66f0d3dd25914 Mon Sep 17 00:00:00 2001
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From: Ola Jeppsson <ola.jeppsson@gmail.com>
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Date: Mon, 7 Oct 2019 18:07:30 -0400
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Subject: [PATCH] configure: Fix cross-compilation errors
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AC_RUN_IFELSE does not work when cross-compiling so we need to provide
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fallback methods for those cases.
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I tried to use constructs that work with Autoconf 2.52.
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Alas, I wasn't able to generate a working build system with that version.
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Autoconf 2.58 / Automake 1.7.9 is the earliest combo that I could get
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to work (with and without this patch).
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Perhaps it's time for a slight bump for the required version numbers?
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Cross-compiles sucessfully against:
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riscv64-unknown-linux-gnu
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Downloaded from upstream PR:
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https://github.com/memcached/memcached/pull/552
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Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
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---
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configure.ac | 80 +++++++++++++++++++++++++++-------------------------
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1 file changed, 41 insertions(+), 39 deletions(-)
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diff --git a/configure.ac b/configure.ac
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index fb78fc5..27dc939 100644
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--- a/configure.ac
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+++ b/configure.ac
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@@ -264,23 +264,42 @@ return sizeof(void*) == 8 ? 0 : 1;
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],[
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CFLAGS="-m64 $org_cflags"
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],[
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- AC_MSG_ERROR([Don't know how to build a 64-bit object.])
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+ AC_MSG_ERROR([Don't know how to build a 64-bit object.])
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+ ],[
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+ dnl cross compile
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+ AC_MSG_WARN([Assuming no extra CFLAGS are required for cross-compiling 64bit version.])
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])
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fi
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dnl If data pointer is 64bit or not.
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-AC_RUN_IFELSE(
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- [AC_LANG_PROGRAM([], [dnl
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-return sizeof(void*) == 8 ? 0 : 1;
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- ])
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-],[
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- have_64bit_ptr=yes
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-],[
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+AC_CHECK_HEADERS([stdint.h])
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+AS_IF([test -z "$have_64bit_ptr"],
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+ [AC_RUN_IFELSE(
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+ [AC_LANG_PROGRAM([], [return sizeof(void*) == 8 ? 0 : 1;])],
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+ [have_64bit_ptr=yes ],
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+ [have_64bit_ptr=no],
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+ [dnl cross compile (this test requires C99)
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+ AS_IF([test "x$ac_cv_header_stdint_h" = xyes],
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+ [AC_COMPILE_IFELSE(
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+ [AC_LANG_PROGRAM([
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+ #include <stdint.h>
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+ #if UINTPTR_MAX == 0xFFFFFFFFFFFFFFFFUL
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+ /* 64 bit pointer */
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+ #else
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+ #error 32 bit pointer
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+ #endif
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+ ], [])],
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+ [have_64bit_ptr=yes],
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+ [have_64bit_ptr=no])],
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+ [have_64bit_ptr=unknown])
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+ ])
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])
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-
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-if test $have_64bit_ptr = yes; then
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+AS_IF([test "$have_64bit_ptr" = "unknown" ],[
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+ AC_MSG_ERROR([Cannot detect pointer size. Must pass have_64bit_ptr={yes,no} to configure.])
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+])
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+AS_IF([test "$have_64bit_ptr" = yes],[
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AC_DEFINE(HAVE_64BIT_PTR, 1, [data pointer is 64bit])
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-fi
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+])
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# Issue 213: Search for clock_gettime to help people linking
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# with a static version of libevent
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@@ -570,30 +589,10 @@ fi
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AC_C_SOCKLEN_T
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dnl Check if we're a little-endian or a big-endian system, needed by hash code
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-AC_DEFUN([AC_C_ENDIAN],
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-[AC_CACHE_CHECK(for endianness, ac_cv_c_endian,
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-[
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- AC_RUN_IFELSE(
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- [AC_LANG_PROGRAM([], [dnl
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- long val = 1;
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- char *c = (char *) &val;
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- exit(*c == 1);
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- ])
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- ],[
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- ac_cv_c_endian=big
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- ],[
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- ac_cv_c_endian=little
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- ])
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-])
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-if test $ac_cv_c_endian = big; then
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- AC_DEFINE(ENDIAN_BIG, 1, [machine is bigendian])
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-fi
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-if test $ac_cv_c_endian = little; then
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- AC_DEFINE(ENDIAN_LITTLE, 1, [machine is littleendian])
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-fi
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-])
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-
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-AC_C_ENDIAN
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+AC_C_BIGENDIAN(
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+ [AC_DEFINE(ENDIAN_BIG, 1, [machine is bigendian])],
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+ [AC_DEFINE(ENDIAN_LITTLE, 1, [machine is littleendian])],
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+ [AC_MSG_ERROR([Cannot detect endianness. Must pass ac_cv_c_bigendian={yes,no} to configure.])])
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AC_DEFUN([AC_C_HTONLL],
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[
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@@ -670,12 +669,15 @@ AC_DEFUN([AC_C_ALIGNMENT],
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],[
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ac_cv_c_alignment=need
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],[
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- ac_cv_c_alignment=need
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+ dnl cross compile
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+ ac_cv_c_alignment=maybe
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])
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])
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-if test $ac_cv_c_alignment = need; then
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- AC_DEFINE(NEED_ALIGN, 1, [Machine need alignment])
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-fi
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+AS_IF([test $ac_cv_c_alignment = need],
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+ [AC_DEFINE(NEED_ALIGN, 1, [Machine need alignment])])
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+AS_IF([test $ac_cv_c_alignment = maybe],
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+ [AC_MSG_WARN([Assuming aligned access is required when cross-compiling])
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+ AC_DEFINE(NEED_ALIGN, 1, [Machine need alignment])])
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])
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AC_C_ALIGNMENT
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--
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2.20.1
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