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Simplify configury and eliminate AC_GCC_WARNING_COND which was only used

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in one place and can be replaced with AC_GCC_WARNING_SUBST_NEW. Adjust
perf/Makefile.am.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@15320
This commit is contained in:
Florian Krohm 2015-06-05 17:09:57 +00:00
parent 2de98199b0
commit 4880368c8d
2 changed files with 4 additions and 25 deletions
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23
configure.ac
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@ -1697,27 +1697,7 @@ AC_SUBST(PREFERRED_STACK_BOUNDARY_2)
# Convenience function to check whether GCC supports a particular
# warning option. Takes two arguments, first the warning flag name
# to check (without -W), then the conditional name to set if that
# warning flag is supported.
AC_DEFUN([AC_GCC_WARNING_COND],[
AC_MSG_CHECKING([if gcc accepts -W$1])
safe_CFLAGS=$CFLAGS
CFLAGS="-W$1"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[;]])], [
has_warning_flag=yes
AC_MSG_RESULT([yes])], [
has_warning_flag=no
AC_MSG_RESULT([no])])
CFLAGS=$safe_CFLAGS
AM_CONDITIONAL([$2], test x$has_warning_flag = xyes)
])
AC_GCC_WARNING_COND([pointer-sign], [HAS_POINTER_SIGN_WARNING])
# Convenience function to check whether GCC supports a particular
# warning option. Similar to AC_GCC_WARNING_COND, but does a
# substitution instead of setting an conditional. Takes two arguments,
# warning option. Takes two arguments,
# first the warning flag name to check (without -W), then the
# substitution name to set with -Wno-warning-flag if the flag exists,
# or the empty string if the compiler doesn't accept the flag. Note
@ -1752,6 +1732,7 @@ AC_DEFUN([AC_GCC_WARNING_SUBST],[
AC_GCC_WARNING_SUBST_NO([format-zero-length], [FLAG_W_NO_FORMAT_ZERO_LENGTH])
AC_GCC_WARNING_SUBST_NO([nonnull], [FLAG_W_NO_NONNULL])
AC_GCC_WARNING_SUBST_NO([overflow], [FLAG_W_NO_OVERFLOW])
AC_GCC_WARNING_SUBST_NO([pointer-sign], [FLAG_W_NO_POINTER_SIGN])
AC_GCC_WARNING_SUBST_NO([uninitialized], [FLAG_W_NO_UNINITIALIZED])
AC_GCC_WARNING_SUBST_NO([unused-function], [FLAG_W_NO_UNUSED_FUNCTION])
AC_GCC_WARNING_SUBST_NO([static-local-in-inline], [FLAG_W_NO_STATIC_LOCAL_IN_INLINE])

6
perf/Makefile.am
View File

@ -33,7 +33,5 @@ fbench_CFLAGS = $(AM_CFLAGS) -O2
ffbench_LDADD = -lm
memrw_LDADD = -lpthread
tinycc_CFLAGS = $(AM_CFLAGS) -Wno-shadow -Wno-inline
if HAS_POINTER_SIGN_WARNING
tinycc_CFLAGS += -Wno-pointer-sign
endif
tinycc_CFLAGS = $(AM_CFLAGS) -Wno-shadow -Wno-inline \
@FLAG_W_NO_POINTER_SIGN@