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8030350: Enable additional compiler warnings for GCC

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Reviewed-by: dholmes, coleenp, erikj, tbell, ihse
This commit is contained in:
Mike Duigou 2014-02-12 09:37:18 -08:00
parent a752b0b503
commit b633a889a7
4 changed files with 5 additions and 5 deletions
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4
hotspot/make/bsd/makefiles/gcc.make
View file

@ -260,7 +260,7 @@ ifeq ($(USE_CLANG), true)
WARNINGS_ARE_ERRORS += -Wno-empty-body
endif
WARNING_FLAGS = -Wpointer-arith -Wsign-compare -Wundef -Wunused-function -Wunused-value
WARNING_FLAGS = -Wpointer-arith -Wsign-compare -Wundef -Wunused-function -Wformat=2 -Wno-error=format-nonliteral
ifeq ($(USE_CLANG),)
# Since GCC 4.3, -Wconversion has changed its meanings to warn these implicit
@ -289,7 +289,7 @@ CFLAGS += -fno-strict-aliasing
# The flags to use for an Optimized g++ build
ifeq ($(OS_VENDOR), Darwin)
# use -Os by default, unless -O3 can be proved to be worth the cost, as per policy
# <http://wikis.sun.com/display/OpenJDK/Mac+OS+X+Port+Compilers>
# <https://wiki.openjdk.java.net/display/MacOSXPort/Compiler+Errata>
OPT_CFLAGS_DEFAULT ?= SIZE
else
OPT_CFLAGS_DEFAULT ?= SPEED

2
hotspot/make/linux/makefiles/gcc.make
View file

@ -214,7 +214,7 @@ ifeq ($(USE_CLANG), true)
WARNINGS_ARE_ERRORS += -Wno-return-type -Wno-empty-body
endif
WARNING_FLAGS = -Wpointer-arith -Wsign-compare -Wundef -Wunused-function -Wunused-value
WARNING_FLAGS = -Wpointer-arith -Wsign-compare -Wundef -Wunused-function -Wunused-value -Wformat=2 -Wno-error=format-nonliteral
ifeq ($(USE_CLANG),)
# Since GCC 4.3, -Wconversion has changed its meanings to warn these implicit

2
hotspot/make/solaris/makefiles/gcc.make
View file

@ -118,7 +118,7 @@ endif
# Compiler warnings are treated as errors
WARNINGS_ARE_ERRORS = -Werror
# Enable these warnings. See 'info gcc' about details on these options
WARNING_FLAGS = -Wpointer-arith -Wconversion -Wsign-compare -Wundef
WARNING_FLAGS = -Wpointer-arith -Wconversion -Wsign-compare -Wundef -Wformat=2 -Wno-error=format-nonliteral
CFLAGS_WARN/DEFAULT = $(WARNINGS_ARE_ERRORS) $(WARNING_FLAGS)
# Special cases
CFLAGS_WARN/BYFILE = $(CFLAGS_WARN/$@)$(CFLAGS_WARN/DEFAULT$(CFLAGS_WARN/$@))

2
hotspot/src/os/bsd/vm/os_bsd.cpp
View file

@ -1834,7 +1834,7 @@ void os::jvm_path(char *buf, jint buflen) {
jrelib_p = buf + len;
snprintf(jrelib_p, buflen-len, "/%s", COMPILER_VARIANT);
if (0 != access(buf, F_OK)) {
snprintf(jrelib_p, buflen-len, "");
snprintf(jrelib_p, buflen-len, "%s", "");
}
// If the path exists within JAVA_HOME, add the JVM library name