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Bug 849995 - Build with -Wsign-compare on clang; r=glandium

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--HG--
extra : rebase_source : 34a800c1cabb3299967c58ecb00e7863a10808f8
This commit is contained in:
Ehsan Akhgari 2013-03-13 15:07:17 -04:00
parent 849a69e950
commit d7ebe7abee
2 changed files with 8 additions and 0 deletions
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4
configure.in
View File

@ -1419,11 +1419,13 @@ if test "$GNU_CC"; then
# -Werror=return-type - catches missing returns, zero false positives
# -Wtype-limits - catches overflow bugs, few false positives
# -Wempty-body - catches bugs, e.g. "if (c); foo();", few false positives
# -Wsign-compare - catches comparison of signed and unsigned types
#
_WARNINGS_CFLAGS="${_WARNINGS_CFLAGS} -Wall -Wpointer-arith -Wdeclaration-after-statement"
MOZ_C_SUPPORTS_WARNING(-W, error=return-type, ac_c_has_werror_return_type)
MOZ_C_SUPPORTS_WARNING(-W, type-limits, ac_c_has_wtype_limits)
MOZ_C_SUPPORTS_WARNING(-W, empty-body, ac_c_has_wempty_body)
MOZ_C_SUPPORTS_WARNING(-W, sign-compare, ac_c_has_sign_compare)
# Turn off the following warnings that -Wall turns on:
# -Wno-unused - lots of violations in third-party code
@ -1481,11 +1483,13 @@ if test "$GNU_CXX"; then
# -Werror=return-type - catches missing returns, zero false positives
# -Wtype-limits - catches overflow bugs, few false positives
# -Wempty-body - catches bugs, e.g. "if (c); foo();", few false positives
# -Wsign-compare - catches comparison of signed and unsigned types
#
_WARNINGS_CXXFLAGS="${_WARNINGS_CXXFLAGS} -Wall -Wpointer-arith -Woverloaded-virtual"
MOZ_CXX_SUPPORTS_WARNING(-W, error=return-type, ac_cxx_has_werror_return_type)
MOZ_CXX_SUPPORTS_WARNING(-W, type-limits, ac_cxx_has_wtype_limits)
MOZ_CXX_SUPPORTS_WARNING(-W, empty-body, ac_cxx_has_wempty_body)
MOZ_CXX_SUPPORTS_WARNING(-W, sign-compare, ac_c_has_sign_compare)
# Turn off the following warnings that -Wall turns on:
# -Wno-invalid-offsetof - we use offsetof on non-POD types frequently

4
js/src/configure.in
View File

@ -1166,11 +1166,13 @@ if test "$GNU_CC"; then
# -Werror=return-type - catches missing returns, zero false positives
# -Wtype-limits - catches overflow bugs, few false positives
# -Wempty-body - catches bugs, e.g. "if (c); foo();", few false positives
# -Wsign-compare - catches comparison of signed and unsigned types
#
_WARNINGS_CFLAGS="${_WARNINGS_CFLAGS} -Wall -Wpointer-arith -Wdeclaration-after-statement"
MOZ_C_SUPPORTS_WARNING(-W, error=return-type, ac_c_has_werror_return_type)
MOZ_C_SUPPORTS_WARNING(-W, type-limits, ac_c_has_wtype_limits)
MOZ_C_SUPPORTS_WARNING(-W, empty-body, ac_c_has_wempty_body)
MOZ_C_SUPPORTS_WARNING(-W, sign-compare, ac_c_has_sign_compare)
# Turn off the following warnings that -Wall turns on:
# -Wno-unused - lots of violations in third-party code
@ -1225,12 +1227,14 @@ if test "$GNU_CXX"; then
# -Wtype-limits - catches overflow bugs, few false positives
# -Wempty-body - catches bugs, e.g. "if (c); foo();", few false positives
# -Werror=conversion-null - catches conversions between NULL and non-pointer types
# -Wsign-compare - catches comparison of signed and unsigned types
#
_WARNINGS_CXXFLAGS="${_WARNINGS_CXXFLAGS} -Wall -Wpointer-arith -Woverloaded-virtual"
MOZ_CXX_SUPPORTS_WARNING(-W, error=return-type, ac_cxx_has_werror_return_type)
MOZ_CXX_SUPPORTS_WARNING(-W, type-limits, ac_cxx_has_wtype_limits)
MOZ_CXX_SUPPORTS_WARNING(-W, empty-body, ac_cxx_has_wempty_body)
MOZ_CXX_SUPPORTS_WARNING(-W, error=conversion-null, ac_cxx_has_werror_conversion_null)
MOZ_CXX_SUPPORTS_WARNING(-W, sign-compare, ac_c_has_sign_compare)
# Turn off the following warnings that -Wall turns on:
# -Wno-invalid-offsetof - we use offsetof on non-POD types frequently