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configure: Specific macro for warning checks; skip checks on disable.

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This commit is contained in:
Jason Volk 2022-07-27 10:47:24 -07:00
parent 9f22edf3a4
commit f9a845f179
1 changed files with 138 additions and 134 deletions
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272
configure.ac
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@ -830,72 +830,118 @@ dnl
dnl Compiler warnings dnl Compiler warnings
dnl dnl
AC_MSG_CHECKING(whether to disable warnings)
AC_ARG_ENABLE(warnings,
RB_HELP_STRING([--disable-warnings], [Disable all sorts of warnings like a rockstar]),
[
AC_MSG_RESULT([$enableval])
warnings="$enableval"
], [
AC_MSG_RESULT([no])
warnings="yes"
])
AC_DEFUN([RB_MAYBE_CWARN],
[
if test x"$warnings" == x"yes"; then
RB_MAYBE_CXXFLAG([$1], [$2])
fi
])
STACK_USAGE_WARNING=16384 STACK_USAGE_WARNING=16384
FRAME_SIZE_WARNING=8192 FRAME_SIZE_WARNING=8192
CWARNS="" CWARNS=""
RB_MAYBE_CXXFLAG([-Wall], charybdis_cv_c_gcc_w_all) dnl Compatible warnings
RB_MAYBE_CXXFLAG([-Wextra], charybdis_cv_c_gcc_w_extra) RB_MAYBE_CWARN([-Wall], charybdis_cv_c_gcc_w_all)
RB_MAYBE_CXXFLAG([-Wpointer-arith], charybdis_cv_c_gcc_w_pointer_arith) RB_MAYBE_CWARN([-Wextra], charybdis_cv_c_gcc_w_extra)
RB_MAYBE_CXXFLAG([-Wcast-align], charybdis_cv_c_gcc_w_cast_align) RB_MAYBE_CWARN([-Wpointer-arith], charybdis_cv_c_gcc_w_pointer_arith)
RB_MAYBE_CXXFLAG([-Wcast-qual], charybdis_cv_c_gcc_w_cast_qual) RB_MAYBE_CWARN([-Wcast-align], charybdis_cv_c_gcc_w_cast_align)
RB_MAYBE_CXXFLAG([-Wfloat-equal], charybdis_cv_c_gcc_w_float_equal) RB_MAYBE_CWARN([-Wcast-qual], charybdis_cv_c_gcc_w_cast_qual)
RB_MAYBE_CXXFLAG([-Wwrite-strings], charybdis_cv_c_gcc_w_write_strings) RB_MAYBE_CWARN([-Wfloat-equal], charybdis_cv_c_gcc_w_float_equal)
RB_MAYBE_CXXFLAG([-Wparentheses], charybdis_cv_c_gcc_parentheses) RB_MAYBE_CWARN([-Wwrite-strings], charybdis_cv_c_gcc_w_write_strings)
RB_MAYBE_CXXFLAG([-Wundef], charybdis_cv_c_gcc_w_undef) RB_MAYBE_CWARN([-Wparentheses], charybdis_cv_c_gcc_parentheses)
RB_MAYBE_CXXFLAG([-Wpacked], charybdis_cv_c_gcc_w_packed) RB_MAYBE_CWARN([-Wundef], charybdis_cv_c_gcc_w_undef)
RB_MAYBE_CXXFLAG([-Wformat -Wformat-y2k -Wformat-nonliteral], charybdis_cv_c_gcc_w_format) RB_MAYBE_CWARN([-Wpacked], charybdis_cv_c_gcc_w_packed)
RB_MAYBE_CXXFLAG([-Wstrict-aliasing=2 -Wstrict-overflow=5], charybdis_cv_c_gcc_w_strict) RB_MAYBE_CWARN([-Wformat -Wformat-y2k -Wformat-nonliteral], charybdis_cv_c_gcc_w_format)
RB_MAYBE_CXXFLAG([-Wdisabled-optimization], charybdis_cv_c_gcc_w_disabled_optimization) RB_MAYBE_CWARN([-Wstrict-aliasing=2 -Wstrict-overflow=5], charybdis_cv_c_gcc_w_strict)
RB_MAYBE_CXXFLAG([-Winvalid-pch], charybdis_cv_c_gcc_w_invalid_pch) RB_MAYBE_CWARN([-Wdisabled-optimization], charybdis_cv_c_gcc_w_disabled_optimization)
RB_MAYBE_CXXFLAG([-Winit-self], charybdis_cv_c_gcc_w_init_self) RB_MAYBE_CWARN([-Winvalid-pch], charybdis_cv_c_gcc_w_invalid_pch)
RB_MAYBE_CXXFLAG([-Wuninitialized], charybdis_cv_c_gcc_w_uninitialized) RB_MAYBE_CWARN([-Winit-self], charybdis_cv_c_gcc_w_init_self)
RB_MAYBE_CXXFLAG([-Wunreachable-code], charybdis_cv_c_gcc_w_unreachable_code) RB_MAYBE_CWARN([-Wuninitialized], charybdis_cv_c_gcc_w_uninitialized)
RB_MAYBE_CXXFLAG([-Wno-overloaded-virtual], charybdis_cv_c_gcc_w_overloaded_virtual) RB_MAYBE_CWARN([-Wunreachable-code], charybdis_cv_c_gcc_w_unreachable_code)
RB_MAYBE_CXXFLAG([-Wnon-virtual-dtor], charybdis_cv_c_gcc_w_non_virtual_dtor) RB_MAYBE_CWARN([-Wno-overloaded-virtual], charybdis_cv_c_gcc_w_overloaded_virtual)
RB_MAYBE_CXXFLAG([-Wnoexcept], charybdis_cv_c_gcc_w_noexcept) RB_MAYBE_CWARN([-Wnon-virtual-dtor], charybdis_cv_c_gcc_w_non_virtual_dtor)
RB_MAYBE_CXXFLAG([-Wsized-deallocation], charybdis_cv_c_gcc_w_sized_deallocation) RB_MAYBE_CWARN([-Wnoexcept], charybdis_cv_c_gcc_w_noexcept)
RB_MAYBE_CXXFLAG([-Wctor-dtor-privacy], charybdis_cv_c_gcc_w_ctor_dtor_privacy) RB_MAYBE_CWARN([-Wsized-deallocation], charybdis_cv_c_gcc_w_sized_deallocation)
RB_MAYBE_CXXFLAG([-Wsign-promo], charybdis_cv_c_gcc_w_sign_promo) RB_MAYBE_CWARN([-Wctor-dtor-privacy], charybdis_cv_c_gcc_w_ctor_dtor_privacy)
RB_MAYBE_CXXFLAG([-Wtrampolines], charybdis_cv_c_gcc_w_trampolines) RB_MAYBE_CWARN([-Wsign-promo], charybdis_cv_c_gcc_w_sign_promo)
RB_MAYBE_CXXFLAG([-Wduplicated-cond], charybdis_cv_c_gcc_w_duplicated_cond) RB_MAYBE_CWARN([-Wtrampolines], charybdis_cv_c_gcc_w_trampolines)
RB_MAYBE_CXXFLAG([-Wduplicate-branches], charybdis_cv_c_gcc_w_duplicate_branches) RB_MAYBE_CWARN([-Wduplicated-cond], charybdis_cv_c_gcc_w_duplicated_cond)
RB_MAYBE_CXXFLAG([-Wrestrict], charybdis_cv_c_gcc_w_restrict) RB_MAYBE_CWARN([-Wduplicate-branches], charybdis_cv_c_gcc_w_duplicate_branches)
RB_MAYBE_CXXFLAG([-Wnull-dereference], charybdis_cv_c_gcc_w_null_dereference) RB_MAYBE_CWARN([-Wrestrict], charybdis_cv_c_gcc_w_restrict)
RB_MAYBE_CXXFLAG([-Wplacement-new=2], charybdis_cv_c_gcc_w_placement_new) RB_MAYBE_CWARN([-Wnull-dereference], charybdis_cv_c_gcc_w_null_dereference)
RB_MAYBE_CXXFLAG([-Wundef], charybdis_cv_c_gcc_w_undef) RB_MAYBE_CWARN([-Wplacement-new=2], charybdis_cv_c_gcc_w_placement_new)
RB_MAYBE_CXXFLAG([-Wodr], charybdis_cv_c_gcc_w_odr) RB_MAYBE_CWARN([-Wundef], charybdis_cv_c_gcc_w_undef)
RB_MAYBE_CWARN([-Wodr], charybdis_cv_c_gcc_w_odr)
RB_MAYBE_CWARN([-Werror=return-type], charybdis_cv_c_gcc_w_error_return_type)
dnl Compiler specific
AM_COND_IF([GCC],
[
RB_MAYBE_CWARN([-Wlogical-op], charybdis_cv_c_gcc_w_logical_op)
RB_MAYBE_CWARN([-Wformat-security], charybdis_cv_c_gcc_w_format_security)
RB_MAYBE_CWARN([-Wstack-usage=$STACK_USAGE_WARNING], charybdis_cv_c_gcc_w_stack_usage)
RB_MAYBE_CWARN([-Wframe-larger-than=$FRAME_SIZE_WARNING], charybdis_cv_c_gcc_w_frame_larger_than)
RB_MAYBE_CWARN([-Walloca], charybdis_cv_c_gcc_w_alloca)
RB_MAYBE_CWARN([-Wvector-operation-performance], charybdis_cv_c_gcc_w_vector_operation_performance)
AM_COND_IF([DEBUG],
[
RB_MAYBE_CWARN([-Wsuggest-attribute=format], charybdis_cv_c_gcc_w_suggest_attribute_format)
RB_MAYBE_CWARN([-Wsuggest-attribute=noreturn], charybdis_cv_c_gcc_w_suggest_attribute_noreturn)
RB_MAYBE_CWARN([-Wsuggest-attribute=malloc], charybdis_cv_c_gcc_w_suggest_attribute_malloc)
RB_MAYBE_CWARN([-Wsuggest-attribute=cold], charybdis_cv_c_gcc_w_suggest_attribute_cold)
dnl RB_MAYBE_CWARN([-Wsuggest-attribute=pure], charybdis_cv_c_gcc_w_suggest_attribute_pure)
dnl RB_MAYBE_CWARN([-Wsuggest-attribute=const], charybdis_cv_c_gcc_w_suggest_attribute_const)
])
])
dnl Compiler specific
AM_COND_IF([CLANG],
[
RB_MAYBE_CWARN([-Wundefined-reinterpret-cast], charybdis_cv_c_gcc_w_undefined_reinterpret_cast)
RB_MAYBE_CWARN([-Wconditional-uninitialized], charybdis_cv_c_gcc_w_conditional_uninitialized)
RB_MAYBE_CWARN([-Wno-mismatched-tags], charybdis_cv_c_gcc_w_mismatched_tags)
RB_MAYBE_CWARN([-Wno-format-security], charybdis_cv_c_gcc_w_format_security)
RB_MAYBE_CWARN([-Wno-unknown-warning-option], charybdis_cv_c_gcc_w_unknown_warning_option)
RB_MAYBE_CWARN([-Wno-profile-instr-unprofiled], charybdis_cv_c_gcc_w_profile_instr_unprofiled)
])
dnl dnl
dnl List of warnings treated as errors dnl Warnings we suppress:
dnl
dnl Uninitialized return values are not useful in this project; forgetting
dnl to return from a function is always a developer mistake here.
RB_MAYBE_CXXFLAG([-Werror=return-type], charybdis_cv_c_gcc_w_error_return_type)
dnl
dnl List of warnings we suppress:
dnl dnl
dnl Missing field initializers should have default init or some zero-extension as per std, this dnl Missing field initializers should have default init or some zero-extension as per std, this
dnl warning is only useful if you want to gauge where that's happening for a specific reason dnl warning is only useful if you want to gauge where that's happening for a specific reason
RB_MAYBE_CXXFLAG([-Wno-missing-field-initializers], charybdis_cv_c_gcc_w_missing_field_initializers) RB_MAYBE_CWARN([-Wno-missing-field-initializers], charybdis_cv_c_gcc_w_missing_field_initializers)
dnl Unused variables, functions, labels, etc are just fine as long as they get optimized dnl Unused variables, functions, labels, etc are just fine as long as they get optimized
dnl away. These warnings can be re-enabled during a code cleanup, otherwise shut up. dnl away. These warnings can be re-enabled during a code cleanup, otherwise shut up.
RB_MAYBE_CXXFLAG([-Wno-unused], charybdis_cv_c_gcc_w_unused) RB_MAYBE_CWARN([-Wno-unused], charybdis_cv_c_gcc_w_unused)
RB_MAYBE_CXXFLAG([-Wno-unused-function], charybdis_cv_c_gcc_w_unused_function) RB_MAYBE_CWARN([-Wno-unused-function], charybdis_cv_c_gcc_w_unused_function)
RB_MAYBE_CXXFLAG([-Wno-unused-label], charybdis_cv_c_gcc_w_unused_label) RB_MAYBE_CWARN([-Wno-unused-label], charybdis_cv_c_gcc_w_unused_label)
RB_MAYBE_CXXFLAG([-Wno-unused-value], charybdis_cv_c_gcc_w_unused_value) RB_MAYBE_CWARN([-Wno-unused-value], charybdis_cv_c_gcc_w_unused_value)
RB_MAYBE_CXXFLAG([-Wno-unused-variable], charybdis_cv_c_gcc_w_unused_variable) RB_MAYBE_CWARN([-Wno-unused-variable], charybdis_cv_c_gcc_w_unused_variable)
RB_MAYBE_CXXFLAG([-Wno-unused-parameter], charybdis_cv_c_gcc_w_unused_parameter) RB_MAYBE_CWARN([-Wno-unused-parameter], charybdis_cv_c_gcc_w_unused_parameter)
dnl This warning is disabled to allow preprocessor statements like #endif to dnl This warning is disabled to allow preprocessor statements like #endif to
dnl contain text on the same line. This is used for example to write the dnl contain text on the same line. This is used for example to write the
dnl identifier in the matching prior #ifdef, which has no actual effect except dnl identifier in the matching prior #ifdef, which has no actual effect except
dnl clarity. dnl clarity.
RB_MAYBE_CXXFLAG([-Wno-endif-labels], charybdis_cv_c_gcc_w_endif_labels) RB_MAYBE_CWARN([-Wno-endif-labels], charybdis_cv_c_gcc_w_endif_labels)
dnl dnl
dnl Suppressed unless in debug mode dnl Suppressed unless in debug mode
@ -903,23 +949,23 @@ dnl
AM_COND_IF([DEBUG], AM_COND_IF([DEBUG],
[ [
RB_MAYBE_CXXFLAG([-Wsuggest-final-types], charybdis_cv_c_gcc_w_suggest_final_types) RB_MAYBE_CWARN([-Wsuggest-final-types], charybdis_cv_c_gcc_w_suggest_final_types)
RB_MAYBE_CXXFLAG([-Wsuggest-final-methods], charybdis_cv_c_gcc_w_suggest_final_methods) RB_MAYBE_CWARN([-Wsuggest-final-methods], charybdis_cv_c_gcc_w_suggest_final_methods)
RB_MAYBE_CXXFLAG([-Wsuggest-override], charybdis_cv_c_gcc_w_suggest_override) RB_MAYBE_CWARN([-Wsuggest-override], charybdis_cv_c_gcc_w_suggest_override)
RB_MAYBE_CXXFLAG([-Wmissing-noreturn], charybdis_cv_c_gcc_w_missing_noreturn) RB_MAYBE_CWARN([-Wmissing-noreturn], charybdis_cv_c_gcc_w_missing_noreturn)
], [ ], [
RB_MAYBE_CXXFLAG([-Wno-unknown-pragmas], charybdis_cv_c_gcc_w_no_unknown_pragmas) RB_MAYBE_CWARN([-Wno-unknown-pragmas], charybdis_cv_c_gcc_w_no_unknown_pragmas)
AM_COND_IF([CLANG], AM_COND_IF([CLANG],
[ [
RB_MAYBE_CXXFLAG([-Wno-unknown-attributes], charybdis_cv_c_gcc_w_no_unknown_attributes) RB_MAYBE_CWARN([-Wno-unknown-attributes], charybdis_cv_c_gcc_w_no_unknown_attributes)
]) ])
AM_COND_IF([GCC], AM_COND_IF([GCC],
[ [
RB_MAYBE_CXXFLAG([-Wno-ignored-attributes], charybdis_cv_c_gcc_w_no_ignored_attributes) RB_MAYBE_CWARN([-Wno-ignored-attributes], charybdis_cv_c_gcc_w_no_ignored_attributes)
RB_MAYBE_CXXFLAG([-Wno-attributes], charybdis_cv_c_gcc_w_no_attributes) RB_MAYBE_CWARN([-Wno-attributes], charybdis_cv_c_gcc_w_no_attributes)
RB_MAYBE_CXXFLAG([-Wno-pragmas], charybdis_cv_c_gcc_w_no_pragmas) RB_MAYBE_CWARN([-Wno-pragmas], charybdis_cv_c_gcc_w_no_pragmas)
]) ])
]) ])
@ -927,96 +973,54 @@ dnl
dnl List of compiler-specific / incompatible warning options dnl List of compiler-specific / incompatible warning options
dnl dnl
AM_COND_IF([GCC],
[
RB_MAYBE_CXXFLAG([-Wlogical-op], charybdis_cv_c_gcc_w_logical_op)
RB_MAYBE_CXXFLAG([-Wformat-security], charybdis_cv_c_gcc_w_format_security)
RB_MAYBE_CXXFLAG([-Wstack-usage=$STACK_USAGE_WARNING], charybdis_cv_c_gcc_w_stack_usage)
RB_MAYBE_CXXFLAG([-Wframe-larger-than=$FRAME_SIZE_WARNING], charybdis_cv_c_gcc_w_frame_larger_than)
RB_MAYBE_CXXFLAG([-Walloca], charybdis_cv_c_gcc_w_alloca)
RB_MAYBE_CXXFLAG([-Wvector-operation-performance], charybdis_cv_c_gcc_w_vector_operation_performance)
AM_COND_IF([DEBUG],
[
RB_MAYBE_CXXFLAG([-Wsuggest-attribute=format], charybdis_cv_c_gcc_w_suggest_attribute_format)
RB_MAYBE_CXXFLAG([-Wsuggest-attribute=noreturn], charybdis_cv_c_gcc_w_suggest_attribute_noreturn)
RB_MAYBE_CXXFLAG([-Wsuggest-attribute=malloc], charybdis_cv_c_gcc_w_suggest_attribute_malloc)
RB_MAYBE_CXXFLAG([-Wsuggest-attribute=cold], charybdis_cv_c_gcc_w_suggest_attribute_cold)
dnl RB_MAYBE_CXXFLAG([-Wsuggest-attribute=pure], charybdis_cv_c_gcc_w_suggest_attribute_pure)
dnl RB_MAYBE_CXXFLAG([-Wsuggest-attribute=const], charybdis_cv_c_gcc_w_suggest_attribute_const)
])
])
AM_COND_IF([CLANG],
[
RB_MAYBE_CXXFLAG([-Wundefined-reinterpret-cast], charybdis_cv_c_gcc_w_undefined_reinterpret_cast)
RB_MAYBE_CXXFLAG([-Wconditional-uninitialized], charybdis_cv_c_gcc_w_conditional_uninitialized)
RB_MAYBE_CXXFLAG([-Wno-mismatched-tags], charybdis_cv_c_gcc_w_mismatched_tags)
RB_MAYBE_CXXFLAG([-Wno-format-security], charybdis_cv_c_gcc_w_format_security)
RB_MAYBE_CXXFLAG([-Wno-unknown-warning-option], charybdis_cv_c_gcc_w_unknown_warning_option)
RB_MAYBE_CXXFLAG([-Wno-profile-instr-unprofiled], charybdis_cv_c_gcc_w_profile_instr_unprofiled)
])
dnl Warning discovery section dnl Warning discovery section
AC_MSG_CHECKING(whether to enable warning discovery) AC_MSG_CHECKING(whether to enable warning discovery)
AC_ARG_ENABLE(every-warning, AC_ARG_ENABLE(every-warning,
RB_HELP_STRING([--enable-every-warning], [Enable warning discovery (-Weverything)]), RB_HELP_STRING([--enable-every-warning], [Enable warning discovery (-Weverything)]),
[ [
RB_MAYBE_CXXFLAG([-Weverything], charybdis_cv_c_gcc_w_everything) RB_MAYBE_CWARN([-Weverything], charybdis_cv_c_gcc_w_everything)
dnl Ignored a priori dnl Ignored a priori
RB_MAYBE_CXXFLAG([-Wno-c++98-compat], charybdis_cv_c_gcc_w_no_cxx98_compat) RB_MAYBE_CWARN([-Wno-c++98-compat], charybdis_cv_c_gcc_w_no_cxx98_compat)
RB_MAYBE_CXXFLAG([-Wno-c++98-compat-pedantic], charybdis_cv_c_gcc_w_no_cxx98_compat_pedantic) RB_MAYBE_CWARN([-Wno-c++98-compat-pedantic], charybdis_cv_c_gcc_w_no_cxx98_compat_pedantic)
RB_MAYBE_CXXFLAG([-Wno-c++98-compat-extra-semi], charybdis_cv_c_gcc_w_no_cxx98_compat_extra_semi) RB_MAYBE_CWARN([-Wno-c++98-compat-extra-semi], charybdis_cv_c_gcc_w_no_cxx98_compat_extra_semi)
RB_MAYBE_CXXFLAG([-Wno-pre-c++14-compat], charybdis_cv_c_gcc_w_no_pre_cxx14_compat) RB_MAYBE_CWARN([-Wno-pre-c++14-compat], charybdis_cv_c_gcc_w_no_pre_cxx14_compat)
RB_MAYBE_CXXFLAG([-Wno-pre-c++17-compat], charybdis_cv_c_gcc_w_no_pre_cxx17_compat) RB_MAYBE_CWARN([-Wno-pre-c++17-compat], charybdis_cv_c_gcc_w_no_pre_cxx17_compat)
dnl Ignored by design dnl Ignored by design
RB_MAYBE_CXXFLAG([-Wno-comma], charybdis_cv_c_gcc_w_no_comma) RB_MAYBE_CWARN([-Wno-comma], charybdis_cv_c_gcc_w_no_comma)
RB_MAYBE_CXXFLAG([-Wno-shadow], charybdis_cv_c_gcc_w_no_shadow) RB_MAYBE_CWARN([-Wno-shadow], charybdis_cv_c_gcc_w_no_shadow)
RB_MAYBE_CXXFLAG([-Wno-shadow-field], charybdis_cv_c_gcc_w_no_shadow_field) RB_MAYBE_CWARN([-Wno-shadow-field], charybdis_cv_c_gcc_w_no_shadow_field)
RB_MAYBE_CXXFLAG([-Wno-shadow-field-in-constructor], charybdis_cv_c_gcc_w_no_shadow_field_in_constructor) RB_MAYBE_CWARN([-Wno-shadow-field-in-constructor], charybdis_cv_c_gcc_w_no_shadow_field_in_constructor)
RB_MAYBE_CXXFLAG([-Wno-shadow-uncaptured-local], charybdis_cv_c_gcc_w_no_shadow_uncaptured_local) RB_MAYBE_CWARN([-Wno-shadow-uncaptured-local], charybdis_cv_c_gcc_w_no_shadow_uncaptured_local)
RB_MAYBE_CXXFLAG([-Wno-gnu-conditional-omitted-operand], charybdis_cv_c_gcc_w_no_gnu_conditional_omitted_operand) RB_MAYBE_CWARN([-Wno-gnu-conditional-omitted-operand], charybdis_cv_c_gcc_w_no_gnu_conditional_omitted_operand)
RB_MAYBE_CXXFLAG([-Wno-ctad-maybe-unsupported], charybdis_cv_c_gcc_w_no_ctad_maybe_unsupported) RB_MAYBE_CWARN([-Wno-ctad-maybe-unsupported], charybdis_cv_c_gcc_w_no_ctad_maybe_unsupported)
RB_MAYBE_CXXFLAG([-Wno-disabled-macro-expansion], charybdis_cv_c_gcc_w_no_disabled_macro_expansion) RB_MAYBE_CWARN([-Wno-disabled-macro-expansion], charybdis_cv_c_gcc_w_no_disabled_macro_expansion)
dnl Ignored for now dnl Ignored for now
RB_MAYBE_CXXFLAG([-Wno-padded], charybdis_cv_c_gcc_w_no_padded) RB_MAYBE_CWARN([-Wno-padded], charybdis_cv_c_gcc_w_no_padded)
RB_MAYBE_CXXFLAG([-Wno-sign-conversion], charybdis_cv_c_gcc_w_no_sign_conversion) RB_MAYBE_CWARN([-Wno-sign-conversion], charybdis_cv_c_gcc_w_no_sign_conversion)
RB_MAYBE_CXXFLAG([-Wno-unused-exception-parameter], charybdis_cv_c_gcc_w_no_unused_exception_parameter) RB_MAYBE_CWARN([-Wno-unused-exception-parameter], charybdis_cv_c_gcc_w_no_unused_exception_parameter)
RB_MAYBE_CXXFLAG([-Wno-extra-semi], charybdis_cv_c_gcc_w_no_extra_semi) RB_MAYBE_CWARN([-Wno-extra-semi], charybdis_cv_c_gcc_w_no_extra_semi)
RB_MAYBE_CXXFLAG([-Wno-extra-semi-stmt], charybdis_cv_c_gcc_w_no_extra_semi_stmt) RB_MAYBE_CWARN([-Wno-extra-semi-stmt], charybdis_cv_c_gcc_w_no_extra_semi_stmt)
RB_MAYBE_CXXFLAG([-Wno-weak-vtables], charybdis_cv_c_gcc_w_no_weak_vtables) RB_MAYBE_CWARN([-Wno-weak-vtables], charybdis_cv_c_gcc_w_no_weak_vtables)
RB_MAYBE_CXXFLAG([-Wno-global-constructors], charybdis_cv_c_gcc_w_no_global_constructors) RB_MAYBE_CWARN([-Wno-global-constructors], charybdis_cv_c_gcc_w_no_global_constructors)
RB_MAYBE_CXXFLAG([-Wno-dtor-name], charybdis_cv_c_gcc_w_no_dtor_name) RB_MAYBE_CWARN([-Wno-dtor-name], charybdis_cv_c_gcc_w_no_dtor_name)
dnl Ignored with issue low priority dnl Ignored with issue low priority
RB_MAYBE_CXXFLAG([-Wno-old-style-cast], charybdis_cv_c_gcc_w_no_old_style_cast) RB_MAYBE_CWARN([-Wno-old-style-cast], charybdis_cv_c_gcc_w_no_old_style_cast)
RB_MAYBE_CXXFLAG([-Wno-float-conversion], charybdis_cv_c_gcc_w_no_implicit_int_conversion) RB_MAYBE_CWARN([-Wno-float-conversion], charybdis_cv_c_gcc_w_no_implicit_int_conversion)
RB_MAYBE_CXXFLAG([-Wno-implicit-int-conversion], charybdis_cv_c_gcc_w_no_implicit_int_conversion) RB_MAYBE_CWARN([-Wno-implicit-int-conversion], charybdis_cv_c_gcc_w_no_implicit_int_conversion)
dnl Ignored with issue high priority dnl Ignored with issue high priority
RB_MAYBE_CXXFLAG([-Wno-reserved-identifier], charybdis_cv_c_gcc_w_no_reserved_identifier) RB_MAYBE_CWARN([-Wno-reserved-identifier], charybdis_cv_c_gcc_w_no_reserved_identifier)
RB_MAYBE_CXXFLAG([-Wno-reserved-macro-identifier], charybdis_cv_c_gcc_w_no_reserved_macro_identifier) RB_MAYBE_CWARN([-Wno-reserved-macro-identifier], charybdis_cv_c_gcc_w_no_reserved_macro_identifier)
]) ])
AM_COND_IF_NOT([UNTUNED], AM_COND_IF_NOT([UNTUNED],
[ [
dnl When tuning for a specific target ignore the ABI compat warnings dnl When tuning for a specific target ignore the ABI compat warnings
RB_MAYBE_CXXFLAG([-Wno-psabi], charybdis_cv_c_gcc_w_psabi) RB_MAYBE_CWARN([-Wno-psabi], charybdis_cv_c_gcc_w_psabi)
])
dnl Truncate warning flags if disabled
AC_MSG_CHECKING(whether to disable warnings)
AC_ARG_ENABLE(warnings,
RB_HELP_STRING([--disable-warnings], [Disable all sorts of warnings like a rockstar]),
[
AC_MSG_RESULT([yes])
CWARNS=""
], [
AC_MSG_RESULT([no])
]) ])
dnl assume the warning flags dnl assume the warning flags
@ -2990,14 +2994,14 @@ echo "Linker flags (LDFLAGS) ............ $LDFLAGS"
echo echo
echo "Target platform (host) ............ $host_cpu $host_vendor $host_os" echo "Target platform (host) ............ $host_cpu $host_vendor $host_os"
echo "Developer platform (build) ........ $build_cpu $build_vendor $build_os" echo "Developer platform (build) ........ $build_cpu $build_vendor $build_os"
echo "Developer debug ................... $debug" echo "Developer debugging ............... $debug"
echo "Developer assert .................. $assert ($assert_type)" echo "Developer assertions .............. $assert ($assert_type)"
echo "Developer profiling ............... $profiling" echo "Developer warnings ................ $warnings"
echo "Precompiled headers ............... $build_pch" echo "Optimized compile ................. $optimize (-O$optimize_level)"
echo "Optimized compile ................. $optimize"
echo "Optimized linking ................. $lto" echo "Optimized linking ................. $lto"
echo "Optimized runtime ................. $profiling_used" echo "Optimized runtime ................. $profiling_use"
echo "Optimization level ................ $optimize_level" echo "Profiling runtime ................. $profiling"
echo "Precompile headers ................ $build_pch"
echo "Machine tuned ..................... $machine_tuning" echo "Machine tuned ..................... $machine_tuning"
echo echo
echo "Magic support ..................... $have_magic" echo "Magic support ..................... $have_magic"