m4/efl_coverage.m4

   1 dnl Copyright (C) 2008 Vincent Torri <vtorri at univ-evry dot fr>
   2 dnl That code is public domain and can be freely used or copied.
   3
   4 dnl Macro that check if coverage support is wanted and, if yes, if
   5 dnl lcov is available.
   6
   7 dnl Usage: EFL_CHECK_COVERAGE(tests [, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
   8 dnl The parameter 'tests' is used if a dependency is needed. If set to "yes",
   9 dnl the dependency is available.
  10 dnl Defines EFL_COVERAGE_CFLAGS and EFL_COVERAGE_LIBS variables
  11 dnl Defines the automake conditionnal EFL_ENABLE_COVERAGE
  12
  13 AC_DEFUN([EFL_CHECK_COVERAGE],
  14 [
  15
  16 dnl configure option
  17
  18 AC_ARG_ENABLE([coverage],
  19    [AC_HELP_STRING([--enable-coverage], [enable coverage profiling instrumentation @<:@default=disabled@:>@])],
  20    [
  21     if test "x${enableval}" = "xyes" ; then
  22        _efl_enable_coverage="yes"
  23     else
  24        _efl_enable_coverage="no"
  25     fi
  26    ],
  27    [_efl_enable_coverage="no"])
  28
  29 AC_MSG_CHECKING([whether to use profiling instrumentation])
  30 AC_MSG_RESULT([$_efl_enable_coverage])
  31
  32 dnl lcov check
  33
  34 if test "x$_efl_enable_coverage" = "xyes" && test ! "x$1" = "xyes" ; then
  35    AC_MSG_WARN([Coverage report requested but tests not being built, disable profiling instrumentation.])
  36    AC_MSG_WARN([Run configure with --enable-tests])
  37    _efl_enable_coverage="no"
  38 fi
  39
  40 if test "x$_efl_enable_coverage" = "xyes" ; then
  41    AC_CHECK_PROG(have_lcov, [lcov], [yes], [no])
  42    if test "x$have_lcov" = "xyes" ; then
  43       EFL_COVERAGE_CFLAGS="-fprofile-arcs -ftest-coverage"
  44       EFL_COVERAGE_LIBS="-lgcov"
  45 # remove any optimisation flag and force debug symbols
  46       EFL_DEBUG_CFLAGS="-g -O0 -DDEBUG"
  47    else
  48       AC_MSG_WARN([lcov is not found, disable profiling instrumentation])
  49       _efl_enable_coverage="no"
  50    fi
  51 fi
  52
  53 dnl Substitution
  54 AC_SUBST(EFL_COVERAGE_CFLAGS)
  55 AC_SUBST(EFL_COVERAGE_LIBS)
  56
  57 AM_CONDITIONAL(EFL_ENABLE_COVERAGE, test "x${_efl_enable_coverage}" = "xyes")
  58
  59 AS_IF([test "x$_efl_enable_coverage" = "xyes"], [$2], [$3])
  60 ])
  61
  62 dnl End of efl_coverage.m4