1 # compiler.m4 - autoconf macros for compiler settings 2 # 3 # Copyright 2005 Scott James Remnant <scott (a] netsplit.com>. 4 # 5 # Permission is hereby granted, free of charge, to any person obtaining 6 # a copy of this software and associated documentation files (the 7 # "Software"), to deal in the Software without restriction, including 8 # without limitation the rights to use, copy, modify, merge, publish, 9 # distribute, sublicense, and/or sell copies of the Software, and to 10 # permit persons to whom the Software is furnished to do so, subject to 11 # the following conditions: 12 # 13 # The above copyright notice and this permission notice shall be 14 # included in all copies or substantial portions of the Software. 15 # 16 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 17 # EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 18 # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 19 # IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR 20 # ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF 21 # CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 22 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 23 24 25 # COMPILER_WARNINGS 26 # ---------------------- 27 # Add configure option to enable additional compiler warnings and treat 28 # them as errors. 29 AC_DEFUN([COMPILER_WARNINGS], 30 [AC_ARG_ENABLE(compiler-warnings, 31 AS_HELP_STRING([--enable-compiler-warnings], 32 [Enable additional compiler warnings]), 33 [if test "x$enable_compiler_warnings" = "xyes"; then 34 if test "x$GCC" = "xyes"; then 35 CFLAGS="-Wall -Werror $CFLAGS" 36 fi 37 if test "x$GXX" = "xyes"; then 38 CXXFLAGS="-Wall -Werror $CXXFLAGS" 39 fi 40 fi])dnl 41 ])# COMPILER_WARNINGS 42 43 # COMPILER_OPTIMISATIONS 44 # --------------------------- 45 # Add configure option to disable optimisations. 46 AC_DEFUN([COMPILER_OPTIMISATIONS], 47 [AC_ARG_ENABLE(compiler-optimisations, 48 AS_HELP_STRING([--disable-compiler-optimisations], 49 [Disable compiler optimisations]), 50 [if test "x$enable_compiler_optimisations" = "xno"; then 51 [CFLAGS=`echo "$CFLAGS" | sed -e "s/ -O[1-9]*\b/ -O0/g"`] 52 fi])dnl 53 ])# COMPILER_OPTIMISATIONS 54 55 # COMPILER_COVERAGE 56 # ---------------------- 57 # Add configure option to enable coverage data. 58 AC_DEFUN([COMPILER_COVERAGE], 59 [AC_ARG_ENABLE(compiler-coverage, 60 AS_HELP_STRING([--enable-compiler-coverage], 61 [Enable generation of coverage data]), 62 [if test "x$enable_compiler_coverage" = "xyes"; then 63 if test "x$GCC" = "xyes"; then 64 CFLAGS="$CFLAGS -fprofile-arcs -ftest-coverage" 65 fi 66 fi])dnl 67 ])# COMPILER_COVERAGE 68
