# compiler.m4 - autoconf macros for compiler settings # # Copyright © 2005 Scott James Remnant <scott@netsplit.com>. # # Permission is hereby granted, free of charge, to any person obtaining # a copy of this software and associated documentation files (the # "Software"), to deal in the Software without restriction, including # without limitation the rights to use, copy, modify, merge, publish, # distribute, sublicense, and/or sell copies of the Software, and to # permit persons to whom the Software is furnished to do so, subject to # the following conditions: # # The above copyright notice and this permission notice shall be # included in all copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, # EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. # IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR # ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF # CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. # COMPILER_WARNINGS # ---------------------- # Add configure option to enable additional compiler warnings and treat # them as errors. AC_DEFUN([COMPILER_WARNINGS], [AC_ARG_ENABLE(compiler-warnings, AS_HELP_STRING([--enable-compiler-warnings], [Enable additional compiler warnings]), [if test "x$enable_compiler_warnings" = "xyes"; then if test "x$GCC" = "xyes"; then CFLAGS="-Wall -Werror $CFLAGS" fi if test "x$GXX" = "xyes"; then CXXFLAGS="-Wall -Werror $CXXFLAGS" fi fi])dnl ])# COMPILER_WARNINGS # COMPILER_OPTIMISATIONS # --------------------------- # Add configure option to disable optimisations. AC_DEFUN([COMPILER_OPTIMISATIONS], [AC_ARG_ENABLE(compiler-optimisations, AS_HELP_STRING([--disable-compiler-optimisations], [Disable compiler optimisations]), [if test "x$enable_compiler_optimisations" = "xno"; then [CFLAGS=`echo "$CFLAGS" | sed -e "s/ -O[1-9]*\b/ -O0/g"`] fi])dnl ])# COMPILER_OPTIMISATIONS # COMPILER_COVERAGE # ---------------------- # Add configure option to enable coverage data. AC_DEFUN([COMPILER_COVERAGE], [AC_ARG_ENABLE(compiler-coverage, AS_HELP_STRING([--enable-compiler-coverage], [Enable generation of coverage data]), [if test "x$enable_compiler_coverage" = "xyes"; then if test "x$GCC" = "xyes"; then CFLAGS="$CFLAGS -fprofile-arcs -ftest-coverage" fi fi],[enable_compiler_coverage=no])dnl ])# COMPILER_COVERAGE