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78 lines
2.6 KiB
Diff
78 lines
2.6 KiB
Diff
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From dc0f8f8bf8608c39da32e3c8ca1484b766fc7452 Mon Sep 17 00:00:00 2001
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From: Maxim Cournoyer <maxim.cournoyer@gmail.com>
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Date: Mon, 17 May 2021 16:47:19 -0400
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Subject: [PATCH] build: Fix cross-compilation.
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The cross-compilation issues corrected by this change were discovered
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when attempting to cross-compile disarchive for the i586-gnu target on
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GNU Guix.
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* configure.ac [O_NOFOLLOW]: Rewrite test using AC_COMPUTE_INT, which
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is supported even when cross-compiling.
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(GUILD_TARGET_OPTION): New computed variable.
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* build-aux/guile.am ($(AM_V_GUILEC)GUILE_AUTO_COMPILE): Use it.
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---
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build-aux/guile.am | 6 +++---
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configure.ac | 24 +++++++++++++++---------
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2 files changed, 18 insertions(+), 12 deletions(-)
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diff --git a/build-aux/guile.am b/build-aux/guile.am
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index bec04ea..7745125 100644
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--- a/build-aux/guile.am
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+++ b/build-aux/guile.am
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@@ -54,7 +54,7 @@ AM_V_GUILEC_0 = @echo " GUILEC" $@;
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SUFFIXES = .scm .go
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.scm.go:
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- $(AM_V_GUILEC)GUILE_AUTO_COMPILE=0 \
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- $(top_builddir)/pre-inst-env \
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- $(GUILD) compile $(GUILE_WARNINGS) \
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+ $(AM_V_GUILEC)GUILE_AUTO_COMPILE=0 \
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+ $(top_builddir)/pre-inst-env \
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+ $(GUILD) compile $(GUILE_WARNINGS) $(GUILD_TARGET_OPTION) \
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-o "$@" "$<"
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diff --git a/configure.ac b/configure.ac
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index 99c5ac5..0cd0173 100644
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--- a/configure.ac
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+++ b/configure.ac
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@@ -39,21 +39,27 @@ AS_IF([test "x$GUILD" = "x"],
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[AC_MSG_ERROR(m4_normalize([
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'guild' binary not found; please check your Guile installation.]))])])
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+dnl This argument is passed to guild; it ensures cross-compiling uses
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+dnl the right target.
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+if test -n "$host_alias"; then
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+ AC_SUBST([GUILD_TARGET_OPTION], [--target=$host_alias])
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+fi
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+
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GUILE_MODULE_REQUIRED(gcrypt hash)
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dnl Guile defines a handful of values from <fcntl.h>, but it is
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dnl missing O_NOFOLLOW.
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AC_ARG_VAR([O_NOFOLLOW], [value to use for O_NOFOLLOW (cf. <fcntl.h>)])
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AS_IF([test "x$O_NOFOLLOW" = "x"],
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- [AC_MSG_CHECKING([the value of O_NOFOLLOW])
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- AC_RUN_IFELSE([AC_LANG_PROGRAM([[
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- #include <fcntl.h>
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- #include <stdio.h>
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- ]], [[
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- printf("%d\n", O_NOFOLLOW)
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- ]])],
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- [O_NOFOLLOW=`./conftest$EXEEXT`],
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- [AC_MSG_FAILURE([could find value for O_NOFOLLOW])])])
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+ [AC_MSG_CHECKING([the value of O_NOFOLLOW])]
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+ [AC_COMPUTE_INT([O_NOFOLLOW],
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+ [O_NOFOLLOW],
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+ [[
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+ #include <fcntl.h>
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+ #include <stdio.h>
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+ ]],
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+ [AC_MSG_FAILURE([could find value for O_NOFOLLOW])])]
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+ [AC_MSG_RESULT([$O_NOFOLLOW])])
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AC_ARG_VAR([TAR], [tar utility])
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AS_IF([test "x$TAR" = "x"], [AC_PATH_PROG([TAR], [tar])])
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--
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2.31.1
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