47 lines
1.5 KiB
Diff
47 lines
1.5 KiB
Diff
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From 450ed0f38159a9944460ecff65793fe6de206df4 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Arnaud=20R=C3=A9billout?= <rebillout@syscom.ch>
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Date: Mon, 25 Nov 2013 11:03:59 +0100
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Subject: [PATCH] Fix posix_fallocate m4 check for cross-compilation.
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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If we're cross-compiling, we can't test if the code run, we can only
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test that it compiles and links. If it does, assume posix_fallocate
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works, because cross-compilation for AIX or old glibc is unlikely.
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Signed-off-by: Arnaud Rébillout <rebillout@syscom.ch>
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---
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m4/lftp.m4 | 15 +++++++++++++++
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1 file changed, 15 insertions(+)
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diff --git a/m4/lftp.m4 b/m4/lftp.m4
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index 6d7ad9c..b38364d 100644
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--- a/m4/lftp.m4
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+++ b/m4/lftp.m4
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@@ -271,6 +271,21 @@ AC_DEFUN([LFTP_POSIX_FALLOCATE_CHECK],[
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i_cv_posix_fallocate_works=yes
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], [
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i_cv_posix_fallocate_works=no
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+ ], [
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+ dnl * Cross-compilation: we can only test if the code compiles and links.
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+ dnl * If it does, assume that it works, because cross-compilation for AIX or old glibc is unlikely.
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+ AC_CACHE_VAL([i_cv_posix_fallocate_works],[
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+ AC_LINK_IFELSE([
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+ #include <fcntl.h>
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+ int main() {
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+ posix_fallocate(0, 0, 0);
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+ }
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+ ], [
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+ i_cv_posix_fallocate_works=yes
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+ ], [
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+ i_cv_posix_fallocate_works=no
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+ ])
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+ ])
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])
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])
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if test x$i_cv_posix_fallocate_works = xyes; then
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--
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1.8.4.4
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