diff options
Diffstat (limited to 'm4/mhd_check_func_gettimeofday.m4')
| -rw-r--r-- | m4/mhd_check_func_gettimeofday.m4 | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/m4/mhd_check_func_gettimeofday.m4 b/m4/mhd_check_func_gettimeofday.m4 new file mode 100644 index 00000000..8ef69ccb --- /dev/null +++ b/m4/mhd_check_func_gettimeofday.m4 @@ -0,0 +1,53 @@ +# SYNOPSIS +# +# MHD_CHECK_FUNC_GETTIMEOFDAY([ACTION-IF-AVAILABLE], +# [ACTION-IF-NOT-AVAILABLE]) +# +# DESCRIPTION +# +# This macro checks for presence of gettimeofday() function. +# If function is available macro HAVE_GETTIMEOFDAY is defined +# automatically. +# +# Example usage: +# +# MHD_CHECK_FUNC_GETTIMEOFDAY([var_use_gettimeofday='yes']) +# +# The cache variable used in check so if any test will not work +# correctly on some platform, user may simply fix it by giving cache +# variable in configure parameters, for example: +# +# ./configure mhd_cv_func_memmem_have=no +# +# This simplifies building from source on exotic platforms as patching +# of configure.ac is not required to change results of tests. +# +# LICENSE +# +# Copyright (c) 2019-2023 Karlson2k (Evgeny Grin) <k2k@narod.ru> +# +# Copying and distribution of this file, with or without modification, are +# permitted in any medium without royalty provided the copyright notice +# and this notice are preserved. This file is offered as-is, without any +# warranty. + +#serial 1 + +AC_DEFUN([MHD_CHECK_FUNC_GETTIMEOFDAY],[dnl +AC_CHECK_HEADERS([sys/time.h time.h])dnl +MHD_CHECK_FUNC([[gettimeofday]], + [[ +#ifdef HAVE_SYS_TIME_H +#include <sys/time.h> +#endif /* HAVE_SYS_TIME_H */ +#ifdef HAVE_TIME_H +#include <time.h> +#endif /* HAVE_TIME_H */ + ]], + [[ + struct timeval tv; + if (0 != gettimeofday (&tv, (void*) 0)) + return 1; + ]],[$1],[$2] +) +])dnl AC_DEFUN MHD_CHECK_FUNC_GETTIMEOFDAY |