| From 4e2e8dbf3f23ab7dca32286cc0f37bff6ac49e22 Mon Sep 17 00:00:00 2001 |
| From: Khem Raj <raj.khem@gmail.com> |
| Date: Fri, 20 Feb 2015 05:05:45 +0000 |
| Subject: [PATCH 04/11] configure: Check for additional features that uclibc |
| doesnt support |
| |
| This helps in supporting uclibc which does not have all features that |
| glibc might have |
| |
| Upstream-Status: Denied [no desire for uclibc support] |
| |
| Signed-off-by: Khem Raj <raj.khem@gmail.com> |
| --- |
| configure.ac | 18 ++++++++++++++++++ |
| 1 file changed, 18 insertions(+) |
| |
| Index: git/configure.ac |
| =================================================================== |
| --- git.orig/configure.ac |
| +++ git/configure.ac |
| @@ -110,6 +110,24 @@ AC_PATH_PROG([UMOUNT_PATH], [umount], [/ |
| |
| AS_IF([! ln --relative --help > /dev/null 2>&1], [AC_MSG_ERROR([*** ln doesn't support --relative ***])]) |
| |
| +# check for few functions not implemented in uClibc |
| + |
| +AC_CHECK_FUNCS_ONCE(mkostemp execvpe posix_fallocate) |
| + |
| +# check for %ms format support - assume always no if cross compiling |
| + |
| +AC_MSG_CHECKING([whether %ms format is supported by *scanf]) |
| + |
| +AC_LINK_IFELSE( |
| + [AC_LANG_PROGRAM([ |
| + #include <stdio.h> |
| + ],[ |
| + char *buf1, *buf2, *buf3, str="1 2.3 abcde" ; |
| + int rc = sscanf(str, "%ms %ms %ms", &buf1, &buf2, &buf3) ; |
| + return (rc==3)?0:1;])], |
| + [AC_DEFINE([HAVE_MSFORMAT], [1], [Define if %ms format is supported by *scanf.])], |
| + [AC_MSG_RESULT([no])]) |
| + |
| M4_DEFINES= |
| |
| AC_CHECK_TOOL(OBJCOPY, objcopy) |