From 4e2e8dbf3f23ab7dca32286cc0f37bff6ac49e22 Mon Sep 17 00:00:00 2001 From: Khem Raj 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 --- configure.ac | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/configure.ac b/configure.ac index 9a2235b..a5b2e6e 100644 --- a/configure.ac +++ b/configure.ac @@ -103,6 +103,24 @@ AS_IF([! ln --relative --help > /dev/null 2>&1], [AC_MSG_ERROR([*** ln doesn't s M4_DEFINES= +# 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 + ],[ + 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])]) + # gtkdocize greps for '^GTK_DOC_CHECK', so it needs to be on its own line m4_ifdef([GTK_DOC_CHECK], [ GTK_DOC_CHECK([1.18],[--flavour no-tmpl])], -- 2.1.4