diff options
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 162 |
1 files changed, 153 insertions, 9 deletions
diff --git a/configure.in b/configure.in index 7db4ceda6..e8e2eba3f 100644 --- a/configure.in +++ b/configure.in @@ -433,7 +433,7 @@ AC_PATH_PROG(AR, ar) AC_LANG([C]) -CFLAGS="$CFLAGS -pipe -ffast-math -Wall -Wno-sign-compare" +CFLAGS="$CFLAGS -pipe -ffast-math -Wall -Wextra -Wno-sign-compare" CPPFLAGS="$CPPFLAGS -I../common" @@ -563,23 +563,50 @@ if test "$enable_lto" != "no" ; then fi +AC_MSG_CHECKING([whether $CC supports -Wno-maybe-uninitialized]) +OLD_CFLAGS="$CFLAGS" +CFLAGS="$CFLAGS -Wno-maybe-uninitialized" +AC_COMPILE_IFELSE( + [AC_LANG_SOURCE([int foo;])], + [ + AC_MSG_RESULT([yes]) + AC_MSG_CHECKING([whether $CC can actually use -Wno-maybe-uninitialized]) + # Note: -Werror must be before -Wno-maybe-uninitialized, otherwise it does not do anything + CFLAGS="$OLD_CFLAGS -Werror -Wno-maybe-uninitialized" + AC_COMPILE_IFELSE( + [AC_LANG_SOURCE([int foo;])], + [ + AC_MSG_RESULT([yes]) + CFLAGS="$OLD_CFLAGS -Wno-maybe-uninitialized" + ], + [ + AC_MSG_RESULT([no]) + CFLAGS="$OLD_CFLAGS" + ] + ) + ], + [ + AC_MSG_RESULT([no]) + CFLAGS="$OLD_CFLAGS" + ] +) + -AC_MSG_CHECKING([whether $CC supports -Wno-pointer-sign]) +AC_MSG_CHECKING([whether $CC supports -Wno-clobbered]) OLD_CFLAGS="$CFLAGS" -CFLAGS="$CFLAGS -Wno-pointer-sign" +CFLAGS="$CFLAGS -Wno-clobbered" AC_COMPILE_IFELSE( [AC_LANG_SOURCE([int foo;])], [ AC_MSG_RESULT([yes]) - AC_MSG_CHECKING([whether $CC can actually use -Wno-pointer-sign]) - # This option causes warnings in C++ mode - # Note: -Werror must be before -Wno-pointer-sign, otherwise it does not do anything - CFLAGS="$OLD_CFLAGS -Werror -Wno-pointer-sign" + AC_MSG_CHECKING([whether $CC can actually use -Wno-clobbered]) + # Note: -Werror must be before -Wno-clobbered, otherwise it does not do anything + CFLAGS="$OLD_CFLAGS -Werror -Wno-clobbered" AC_COMPILE_IFELSE( [AC_LANG_SOURCE([int foo;])], [ AC_MSG_RESULT([yes]) - CFLAGS="$OLD_CFLAGS -Wno-pointer-sign" + CFLAGS="$OLD_CFLAGS -Wno-clobbered" ], [ AC_MSG_RESULT([no]) @@ -594,6 +621,110 @@ AC_COMPILE_IFELSE( ) +AC_MSG_CHECKING([whether $CC supports -Wempty-body]) +OLD_CFLAGS="$CFLAGS" +CFLAGS="$CFLAGS -Wempty-body" +AC_COMPILE_IFELSE( + [AC_LANG_SOURCE([int foo;])], + [AC_MSG_RESULT([yes])], + [ + AC_MSG_RESULT([no]) + CFLAGS="$OLD_CFLAGS" + ] +) + + +AC_MSG_CHECKING([whether $CC supports -Wnewline-eof]) +OLD_CFLAGS="$CFLAGS" +CFLAGS="$CFLAGS -Wnewline-eof" +AC_COMPILE_IFELSE( + [AC_LANG_SOURCE([int foo;])], + [AC_MSG_RESULT([yes])], + [ + AC_MSG_RESULT([no]) + CFLAGS="$OLD_CFLAGS" + ] +) + + +AC_MSG_CHECKING([whether $CC supports -Wshadow]) +OLD_CFLAGS="$CFLAGS" +CFLAGS="$CFLAGS -Wshadow" +AC_COMPILE_IFELSE( + [AC_LANG_SOURCE([int foo;])], + [AC_MSG_RESULT([yes])], + [ + AC_MSG_RESULT([no]) + CFLAGS="$OLD_CFLAGS" + ] +) + + +AC_MSG_CHECKING([whether $CC supports -Wint-conversion]) +OLD_CFLAGS="$CFLAGS" +CFLAGS="$CFLAGS -Wenum-conversion" +AC_COMPILE_IFELSE( + [AC_LANG_SOURCE([int foo;])], + [AC_MSG_RESULT([yes])], + [ + AC_MSG_RESULT([no]) + CFLAGS="$OLD_CFLAGS" + ] +) + + +AC_MSG_CHECKING([whether $CC supports -Wenum-conversion]) +OLD_CFLAGS="$CFLAGS" +CFLAGS="$CFLAGS -Wenum-conversion" +AC_COMPILE_IFELSE( + [AC_LANG_SOURCE([int foo;])], + [AC_MSG_RESULT([yes])], + [ + AC_MSG_RESULT([no]) + CFLAGS="$OLD_CFLAGS" + ] +) + + +AC_MSG_CHECKING([whether $CC supports -Wshorten-64-to-32]) +OLD_CFLAGS="$CFLAGS" +CFLAGS="$CFLAGS -Wshorten-64-to-32" +AC_COMPILE_IFELSE( + [AC_LANG_SOURCE([int foo;])], + [AC_MSG_RESULT([yes])], + [ + AC_MSG_RESULT([no]) + CFLAGS="$OLD_CFLAGS" + ] +) + + +AC_MSG_CHECKING([whether $CC supports -Wconstant-conversion]) +OLD_CFLAGS="$CFLAGS" +CFLAGS="$CFLAGS -Wconstant-conversion" +AC_COMPILE_IFELSE( + [AC_LANG_SOURCE([int foo;])], + [AC_MSG_RESULT([yes])], + [ + AC_MSG_RESULT([no]) + CFLAGS="$OLD_CFLAGS" + ] +) + + +AC_MSG_CHECKING([whether $CC supports -Wbool-conversion]) +OLD_CFLAGS="$CFLAGS" +CFLAGS="$CFLAGS -Wbool-conversion" +AC_COMPILE_IFELSE( + [AC_LANG_SOURCE([int foo;])], + [AC_MSG_RESULT([yes])], + [ + AC_MSG_RESULT([no]) + CFLAGS="$OLD_CFLAGS" + ] +) + + AC_MSG_CHECKING([whether $CC supports -Wno-switch]) OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Wno-switch" @@ -607,6 +738,19 @@ AC_COMPILE_IFELSE( ) +AC_MSG_CHECKING([whether $CC supports -Wno-missing-field-initializers]) +OLD_CFLAGS="$CFLAGS" +CFLAGS="$CFLAGS -Wno-missing-field-initializers" +AC_COMPILE_IFELSE( + [AC_LANG_SOURCE([int foo;])], + [AC_MSG_RESULT([yes])], + [ + AC_MSG_RESULT([no]) + CFLAGS="$OLD_CFLAGS" + ] +) + + AC_MSG_CHECKING([whether $CC supports -fPIC]) OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -fPIC" @@ -870,7 +1014,7 @@ fi case $enable_debug in "no") # default value - CFLAGS="$CFLAGS -Wno-unused -Wno-parentheses" +# CFLAGS="$CFLAGS -Wno-unused -Wno-parentheses" ;; "yes") CFLAGS="$CFLAGS -g -DDEBUG" |