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# valgrind-tests.m4 serial 8
dnl Copyright (C) 2008-2021 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl From Simon Josefsson
# gl_VALGRIND_TESTS()
# -------------------
# Check if valgrind is available.
# Sets VALGRIND to command line (including options) to invoke valgrind
# with, may be used directly in autoconf, makefiles or shell scripts.
# Sets LOG_VALGRIND, suitable for use with LOG_COMPILER, that in
# Makefile will expand to command line to invoke self-tests with,
# i.e., LOG_VALGRIND = $(VALGRIND) $(DEFAULT_VALGRINDFLAGS)
# $(VALGRINDFLAGS) $(AM_VALGRINDFLAGS).
# Whether to look for valgrind and set the variables can be influenced
# by calling gl_VALGRIND_TESTS_DEFAULT_NO in configure.ac.
# Regardless, the user can change the choice through the options
# --enable-valgrind-tests or --disable-valgrind-tests.
# You may modify the VALGRIND, DEFAULT_VALGRINDFLAGS and VALGRINDFLAGS
# variables before calling this function to override defaults. Either
# as developer from configure.ac or user on the ./configure command
# line. You may set the AM_VALGRINDFLAGS in Makefile.am to provide a
# per-directory additional flag.
AC_DEFUN([gl_VALGRIND_TESTS_DEFAULT_NO],
[
gl_valgrind_tests_default=no
])
AC_DEFUN_ONCE([gl_VALGRIND_TESTS],
[
AC_ARG_ENABLE([valgrind-tests],
AS_HELP_STRING([--disable-valgrind-tests],
[don't try to run self tests under valgrind]),
[opt_valgrind_tests=$enableval], [opt_valgrind_tests=${gl_valgrind_tests_default:-yes}])
# Run self-tests under valgrind?
if test "$opt_valgrind_tests" = "yes" && test "$cross_compiling" = no; then
AC_CHECK_PROGS([VALGRIND], [valgrind])
# VALGRIND_PROGRAM contains the tool found by AC_CHECK_PROGS. For
# backwards compatibility, the VALGRIND variable is later modified
# to also include all enabled options. However the new variable
# LOG_VALGRIND needs to be able to refer to the valgrind tool
# without options, hence it uses this variable.
AC_SUBST([VALGRIND_PROGRAM], [$VALGRIND])
AC_SUBST([DEFAULT_VALGRINDFLAGS])
if test -z "$DEFAULT_VALGRINDFLAGS"; then
DEFAULT_VALGRINDFLAGS="-q --error-exitcode=1 --leak-check=full"
fi
AC_ARG_VAR([VALGRINDFLAGS], [Additional flags for Valgrind])
if test -n "$VALGRIND"; then
AC_CACHE_CHECK([for valgrind options for tests],
[gl_cv_opt_valgrind_tests],
[AS_IF([$VALGRIND $DEFAULT_VALGRINDFLAGS $VALGRINDFLAGS true],
[gl_cv_opt_valgrind_tests="$DEFAULT_VALGRINDFLAGS $VALGRINDFLAGS"],
[gl_cv_opt_valgrind_tests=no])
])
if test "$gl_cv_opt_valgrind_tests" != no; then
VALGRIND="$VALGRIND $gl_cv_opt_valgrind_tests"
fi
fi
if test -n "$VALGRIND"; then
dnl On Ubuntu 16.04, /usr/bin/valgrind works only on 64-bit executables
dnl but fails on 32-bit executables (with exit code 1) and on x86_64-x32
dnl executables (with exit code 126).
AC_CACHE_CHECK([whether valgrind works on executables produced by the compiler],
[gl_cv_prog_valgrind_works],
[AC_RUN_IFELSE(
[AC_LANG_SOURCE([[int main () { return 0; }]])],
[$VALGRIND $gl_cv_opt_valgrind_tests ./conftest$ac_exeext 2>/dev/null
if test $? = 0; then
gl_cv_prog_valgrind_works=yes
else
gl_cv_prog_valgrind_works=no
fi
],
[gl_cv_prog_valgrind_works=no])
])
fi
AC_SUBST([AM_VALGRINDFLAGS])
AC_SUBST([LOG_VALGRIND], ["\$(VALGRIND_PROGRAM) \$(DEFAULT_VALGRINDFLAGS) \$(VALGRINDFLAGS) \$(AM_VALGRINDFLAGS)"])
if test "$gl_cv_prog_valgrind_works" != yes; then
DEFAULT_VALGRINDFLAGS=
LOG_VALGRIND=
VALGRIND=
VALGRINDFLAGS=
VALGRIND_PROGRAM=
fi
fi
])
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