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dnl Copyright (C) 2009 Sun Microsystems
dnl This file is free software; Sun Microsystems
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl AC_PANDORA_WARNINGS([less-warnings|warnings-always-on])
dnl less-warnings turn on a limited set of warnings
dnl warnings-always-on always set warnings=error regardless of tarball/vc
dnl @TODO: remove less-warnings option as soon as Drizzle is clean enough to
dnl allow it
AC_DEFUN([PANDORA_WARNINGS],[
m4_define([PW_LESS_WARNINGS],[no])
m4_define([PW_WARN_ALWAYS_ON],[no])
ifdef([m4_define],,[define([m4_define], defn([define]))])
ifdef([m4_undefine],,[define([m4_undefine], defn([undefine]))])
m4_foreach([pw_arg],[$*],[
m4_case(pw_arg,
[less-warnings],[
m4_undefine([PW_LESS_WARNINGS])
m4_define([PW_LESS_WARNINGS],[yes])
],
[warnings-always-on],[
m4_undefine([PW_WARN_ALWAYS_ON])
m4_define([PW_WARN_ALWAYS_ON],[yes])
])
])
AC_REQUIRE([PANDORA_BUILDING_FROM_VC])
m4_if(PW_WARN_ALWAYS_ON, [yes],
[ac_cv_warnings_as_errors=yes],
AS_IF([test "$ac_cv_building_from_vc" = "yes"],
[ac_cv_warnings_as_errors=yes],
[ac_cv_warnings_as_errors=no]))
AC_ARG_ENABLE([profiling],
[AS_HELP_STRING([--enable-profiling],
[Toggle profiling @<:@default=off@:>@])],
[ac_profiling="$enableval"],
[ac_profiling="no"])
AC_ARG_ENABLE([coverage],
[AS_HELP_STRING([--enable-coverage],
[Toggle coverage @<:@default=off@:>@])],
[ac_coverage="$enableval"],
[ac_coverage="no"])
AS_IF([test "$GCC" = "yes"],[
AS_IF([test "$ac_profiling" = "yes"],[
CC_PROFILING="-pg"
save_LIBS="${LIBS}"
LIBS=""
AC_CHECK_LIB(c_p, read)
LIBC_P="${LIBS}"
LIBS="${save_LIBS}"
AC_SUBST(LIBC_P)
],[
CC_PROFILING=" "
])
AS_IF([test "$ac_coverage" = "yes"],
[CC_COVERAGE="-fprofile-arcs -ftest-coverage"])
AS_IF([test "$ac_cv_warnings_as_errors" = "yes"],
[W_FAIL="-Werror"])
AC_CACHE_CHECK([whether it is safe to use -fdiagnostics-show-option],
[ac_cv_safe_to_use_fdiagnostics_show_option_],
[save_CFLAGS="$CFLAGS"
CFLAGS="-fdiagnostics-show-option ${AM_CFLAGS} ${CFLAGS}"
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([],[])],
[ac_cv_safe_to_use_fdiagnostics_show_option_=yes],
[ac_cv_safe_to_use_fdiagnostics_show_option_=no])
CFLAGS="$save_CFLAGS"])
AS_IF([test "$ac_cv_safe_to_use_fdiagnostics_show_option_" = "yes"],
[
F_DIAGNOSTICS_SHOW_OPTION="-fdiagnostics-show-option"
])
AC_CACHE_CHECK([whether it is safe to use -Wconversion],
[ac_cv_safe_to_use_wconversion_],
[save_CFLAGS="$CFLAGS"
dnl Use -Werror here instead of ${W_FAIL} so that we don't spew
dnl conversion warnings to all the tarball folks
CFLAGS="-Wconversion -Werror -pedantic ${AM_CFLAGS} ${CFLAGS}"
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[
#include <stdbool.h>
void foo(bool a)
{
(void)a;
}
]],[[
foo(0);
]])],
[ac_cv_safe_to_use_wconversion_=yes],
[ac_cv_safe_to_use_wconversion_=no])
CFLAGS="$save_CFLAGS"])
AS_IF([test "$ac_cv_safe_to_use_wconversion_" = "yes"],
[W_CONVERSION="-Wconversion"
AC_CACHE_CHECK([whether it is safe to use -Wconversion with htons],
[ac_cv_safe_to_use_Wconversion_],
[save_CFLAGS="$CFLAGS"
dnl Use -Werror here instead of ${W_FAIL} so that we don't spew
dnl conversion warnings to all the tarball folks
CFLAGS="-Wconversion -Werror -pedantic ${AM_CFLAGS} ${CFLAGS}"
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[[
#include <netinet/in.h>
]],[[
uint16_t x= htons(80);
]])],
[ac_cv_safe_to_use_Wconversion_=yes],
[ac_cv_safe_to_use_Wconversion_=no])
CFLAGS="$save_CFLAGS"])
AS_IF([test "$ac_cv_safe_to_use_Wconversion_" = "no"],
[NO_CONVERSION="-Wno-conversion"])
])
NO_STRICT_ALIASING="-fno-strict-aliasing -Wno-strict-aliasing"
NO_SHADOW="-Wno-shadow"
AS_IF([test "$INTELCC" = "yes"],[
m4_if(PW_LESS_WARNINGS,[no],[
BASE_WARNINGS="-w1 -Wall -Werror -Wcheck -Wformat -Wp64 -Woverloaded-virtual -Wcast-qual"
],[
BASE_WARNINGS="-w1 -Wall -Wcheck -Wformat -Wp64 -Woverloaded-virtual -Wcast-qual -diag-disable 981"
])
CC_WARNINGS="${BASE_WARNINGS}"
CXX_WARNINGS="${BASE_WARNINGS}"
],[
m4_if(PW_LESS_WARNINGS,[no],[
BASE_WARNINGS_FULL="-Wformat=2 ${W_CONVERSION} -Wstrict-aliasing"
CC_WARNINGS_FULL="-Wswitch-default -Wswitch-enum -Wwrite-strings"
#CXX_WARNINGS_FULL="-Weffc++ -Wold-style-cast"
],[
BASE_WARNINGS_FULL="-Wformat ${NO_STRICT_ALIASING}"
])
AS_IF([test "${ac_cv_assert}" = "no"],
[NO_UNUSED="-Wno-unused-variable -Wno-unused-parameter"])
AC_CACHE_CHECK([whether it is safe to use -Wextra],
[ac_cv_safe_to_use_Wextra_],
[save_CFLAGS="$CFLAGS"
CFLAGS="${W_FAIL} -pedantic -Wextra ${AM_CFLAGS} ${CFLAGS}"
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM(
[[
#include <stdio.h>
]], [[]])
],
[ac_cv_safe_to_use_Wextra_=yes],
[ac_cv_safe_to_use_Wextra_=no])
CFLAGS="$save_CFLAGS"])
BASE_WARNINGS="${W_FAIL} -pedantic -Wall -Wundef -Wshadow ${NO_UNUSED} ${F_DIAGNOSTICS_SHOW_OPTION} ${CFLAG_VISIBILITY} ${BASE_WARNINGS_FULL}"
AS_IF([test "$ac_cv_safe_to_use_Wextra_" = "yes"],
[BASE_WARNINGS="${BASE_WARNINGS} -Wextra"],
[BASE_WARNINGS="${BASE_WARNINGS} -W"])
CC_WARNINGS="${BASE_WARNINGS} -Wstrict-prototypes -Wmissing-prototypes -Wredundant-decls -Wmissing-declarations -Wcast-align ${CC_WARNINGS_FULL}"
CXX_WARNINGS="${BASE_WARNINGS} -Woverloaded-virtual -Wnon-virtual-dtor -Wctor-dtor-privacy -Wno-long-long ${CXX_WARNINGS_FULL}"
AC_CACHE_CHECK([whether it is safe to use -Wmissing-declarations from C++],
[ac_cv_safe_to_use_Wmissing_declarations_],
[AC_LANG_PUSH(C++)
save_CXXFLAGS="$CXXFLAGS"
CXXFLAGS="-Werror -pedantic -Wmissing-declarations ${AM_CXXFLAGS}"
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM(
[[
#include <stdio.h>
]], [[]])
],
[ac_cv_safe_to_use_Wmissing_declarations_=yes],
[ac_cv_safe_to_use_Wmissing_declarations_=no])
CXXFLAGS="$save_CXXFLAGS"
AC_LANG_POP()
])
AS_IF([test "$ac_cv_safe_to_use_Wmissing_declarations_" = "yes"],
[CXX_WARNINGS="${CXX_WARNINGS} -Wmissing-declarations"])
AC_CACHE_CHECK([whether it is safe to use -Wlogical-op],
[ac_cv_safe_to_use_Wlogical_op_],
[save_CFLAGS="$CFLAGS"
CFLAGS="${W_FAIL} -pedantic -Wlogical-op ${AM_CFLAGS} ${CFLAGS}"
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM(
[[
#include <stdio.h>
]], [[]])
],
[ac_cv_safe_to_use_Wlogical_op_=yes],
[ac_cv_safe_to_use_Wlogical_op_=no])
CFLAGS="$save_CFLAGS"])
AS_IF([test "$ac_cv_safe_to_use_Wlogical_op_" = "yes"],
[CC_WARNINGS="${CC_WARNINGS} -Wlogical-op"])
AC_CACHE_CHECK([whether it is safe to use -Wredundant-decls from C++],
[ac_cv_safe_to_use_Wredundant_decls_],
[AC_LANG_PUSH(C++)
save_CXXFLAGS="${CXXFLAGS}"
CXXFLAGS="${W_FAIL} -pedantic -Wredundant-decls ${AM_CXXFLAGS}"
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([
template <typename E> struct C { void foo(); };
template <typename E> void C<E>::foo() { }
template <> void C<int>::foo();
AC_INCLUDES_DEFAULT])],
[ac_cv_safe_to_use_Wredundant_decls_=yes],
[ac_cv_safe_to_use_Wredundant_decls_=no])
CXXFLAGS="${save_CXXFLAGS}"
AC_LANG_POP()])
AS_IF([test "$ac_cv_safe_to_use_Wredundant_decls_" = "yes"],
[CXX_WARNINGS="${CXX_WARNINGS} -Wredundant-decls"],
[CXX_WARNINGS="${CXX_WARNINGS} -Wno-redundant-decls"])
AC_CACHE_CHECK([whether it is safe to use -Wattributes from C++],
[ac_cv_safe_to_use_Wattributes_],
[AC_LANG_PUSH(C++)
save_CXXFLAGS="${CXXFLAGS}"
CXXFLAGS="${W_FAIL} -pedantic -Wattributes -fvisibility=hidden ${AM_CXXFLAGS}"
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([
#include <google/protobuf/message.h>
#include <google/protobuf/descriptor.h>
const ::google::protobuf::EnumDescriptor* Table_TableOptions_RowType_descriptor();
enum Table_TableOptions_RowType {
Table_TableOptions_RowType_ROW_TYPE_DEFAULT = 0,
Table_TableOptions_RowType_ROW_TYPE_FIXED = 1,
Table_TableOptions_RowType_ROW_TYPE_DYNAMIC = 2,
Table_TableOptions_RowType_ROW_TYPE_COMPRESSED = 3,
Table_TableOptions_RowType_ROW_TYPE_REDUNDANT = 4,
Table_TableOptions_RowType_ROW_TYPE_COMPACT = 5,
Table_TableOptions_RowType_ROW_TYPE_PAGE = 6
};
namespace google {
namespace protobuf {
template <>
inline const EnumDescriptor* GetEnumDescriptor<Table_TableOptions_RowType>() {
return Table_TableOptions_RowType_descriptor();
}
}
}
])],
[ac_cv_safe_to_use_Wattributes_=yes],
[ac_cv_safe_to_use_Wattributes_=no])
CXXFLAGS="${save_CXXFLAGS}"
AC_LANG_POP()])
AC_CACHE_CHECK([whether it is safe to use -Wno-attributes],
[ac_cv_safe_to_use_Wno_attributes_],
[save_CFLAGS="$CFLAGS"
CFLAGS="${W_FAIL} -pedantic -Wno_attributes_ ${AM_CFLAGS} ${CFLAGS}"
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM(
[[
#include <stdio.h>
]], [[]])
],
[ac_cv_safe_to_use_Wno_attributes_=yes],
[ac_cv_safe_to_use_Wno_attributes_=no])
CFLAGS="$save_CFLAGS"])
dnl GCC 3.4 doesn't have -Wno-attributes, so we can't turn them off
dnl by using that.
AS_IF([test "$ac_cv_safe_to_use_Wattributes_" != "yes"],[
AS_IF([test "$ac_cv_safe_to_use_Wno_attributes_" = "yes"],[
CC_WARNINGS="${CC_WARNINGS} -Wno-attributes"
NO_ATTRIBUTES="-Wno-attributes"])])
NO_REDUNDANT_DECLS="-Wno-redundant-decls"
dnl TODO: Figure out a better way to deal with this:
PROTOSKIP_WARNINGS="-Wno-effc++ -Wno-shadow -Wno-missing-braces ${NO_ATTRIBUTES}"
NO_WERROR="-Wno-error"
INNOBASE_SKIP_WARNINGS="-Wno-shadow -Wno-cast-align"
])
])
AS_IF([test "$SUNCC" = "yes"],[
AS_IF([test "$ac_profiling" = "yes"],
[CC_PROFILING="-xinstrument=datarace"])
AS_IF([test "$ac_cv_warnings_as_errors" = "yes"],
[W_FAIL="-errwarn=%all"])
AC_CACHE_CHECK([whether E_PASTE_RESULT_NOT_TOKEN is usable],
[ac_cv_paste_result],
[
save_CFLAGS="${CFLAGS}"
CFLAGS="-errwarn=%all -erroff=E_PASTE_RESULT_NOT_TOKEN ${CFLAGS}"
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([
AC_INCLUDES_DEFAULT
],[
int x= 0;])],
[ac_cv_paste_result=yes],
[ac_cv_paste_result=no])
CFLAGS="${save_CFLAGS}"
])
AS_IF([test $ac_cv_paste_result = yes],
[W_PASTE_RESULT=",E_PASTE_RESULT_NOT_TOKEN"])
m4_if(PW_LESS_WARNINGS, [no],[
CC_WARNINGS_FULL="-erroff=E_INTEGER_OVERFLOW_DETECTED${W_PASTE_RESULT}"
CXX_WARNINGS_FULL="-erroff=inllargeuse"
],[
CC_WARNINGS_FULL="-erroff=E_ATTRIBUTE_NOT_VAR"
CXX_WARNINGS_FULL="-erroff=attrskipunsup,doubunder,reftotemp,inllargeuse,truncwarn1,signextwarn,inllargeint"
])
CC_WARNINGS="-v -errtags=yes ${W_FAIL} ${CC_WARNINGS_FULL}"
CXX_WARNINGS="+w +w2 -xwe -xport64 -errtags=yes ${CXX_WARNINGS_FULL} ${W_FAIL}"
PROTOSKIP_WARNINGS="-erroff=attrskipunsup,doubunder,reftotemp,wbadinitl,identexpected,inllargeuse,truncwarn1,signextwarn,partinit,notused,badargtype2w,wbadinit"
NO_UNREACHED="-erroff=E_STATEMENT_NOT_REACHED"
NO_WERROR="-errwarn=%none"
])
AC_SUBST(NO_CONVERSION)
AC_SUBST(NO_REDUNDANT_DECLS)
AC_SUBST(NO_UNREACHED)
AC_SUBST(NO_SHADOW)
AC_SUBST(NO_STRICT_ALIASING)
AC_SUBST(PROTOSKIP_WARNINGS)
AC_SUBST(INNOBASE_SKIP_WARNINGS)
AC_SUBST(NO_WERROR)
])
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