nixpkgs/pkgs/development/libraries/libgpiod/0001-Drop-AC_FUNC_MALLOC-and-_REALLOC-and-check-for-them-.patch
Richard Marko b920bf3d61 libgpiod: add patch fixing cross-compilation
Fixes "undefined reference to `rpl_malloc'".
2020-05-02 18:05:07 +02:00

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From 2cc80dc06ea42087788cf27b31821ffa99a22f89 Mon Sep 17 00:00:00 2001
From: Johannes Lode <johannes.lode@dynainstruments.com>
Date: Thu, 14 Nov 2019 10:44:00 +0100
Subject: [PATCH] Drop AC_FUNC_MALLOC and _REALLOC and check for them as
regular functions.
While cross-compiling there occurred "undefined reference to
`rpl_malloc'", the suggested change fixes the problem.
Tested for native X86_64 and armv7a-unknown-linux-gnueabihf.
---
configure.ac | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/configure.ac b/configure.ac
index 008499d..b492dc4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -81,7 +81,8 @@ AC_DEFUN([HEADER_NOT_FOUND_CXX],
# This is always checked (library needs this)
AC_HEADER_STDC
-AC_FUNC_MALLOC
+# AC_FUNC_MALLOC -- does not work while cross-compiling
+AC_CHECK_FUNC([malloc realloc])
AC_CHECK_FUNC([ioctl], [], [FUNC_NOT_FOUND_LIB([ioctl])])
AC_CHECK_FUNC([asprintf], [], [FUNC_NOT_FOUND_LIB([asprintf])])
AC_CHECK_FUNC([scandir], [], [FUNC_NOT_FOUND_LIB([scandir])])
--
2.25.1