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Diffstat (limited to 'm4/valgrind-tests.m4')
| -rw-r--r-- | m4/valgrind-tests.m4 | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/m4/valgrind-tests.m4 b/m4/valgrind-tests.m4 new file mode 100644 index 0000000..a8d5a62 --- /dev/null +++ b/m4/valgrind-tests.m4 @@ -0,0 +1,103 @@ +# valgrind-tests.m4 serial 8 +dnl Copyright (C) 2008-2022 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 +]) |