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Remove -Wno-unused-parameter (and add _U_ macro)

This commit is contained in:
Alexis La Goutte 2014-10-19 14:45:56 +02:00
parent e11834d1c9
commit 51b59bc8f0
1 changed files with 14 additions and 1 deletions
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15
configure.ac
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@ -140,6 +140,20 @@ else
AC_SUBST([CYTHON]) AC_SUBST([CYTHON])
fi fi
#
# If we're running GCC or clang define _U_ to be "__attribute__((unused))"
# so we can use _U_ to flag unused function parameters and not get warnings
# about them. Otherwise, define _U_ to be an empty string so that _U_ used
# to flag an unused function parameters will compile with other compilers.
#
# XXX - similar hints for other compilers?
#
if test "x$GCC" = "xyes" -o "x$CC" = "xclang" ; then
AC_DEFINE([_U_], [__attribute__((unused))], [Hint to the compiler that a function parameters is not used])
else
AC_DEFINE([_U_], , [Hint to the compiler that a function parameters is not used])
fi
AX_CXX_COMPILE_STDCXX_11([noext], [optional]) AX_CXX_COMPILE_STDCXX_11([noext], [optional])
AC_LANG_PUSH(C++) AC_LANG_PUSH(C++)
@ -529,7 +543,6 @@ if test "x$werror" != "xno"; then
AX_CHECK_COMPILE_FLAG([-Wcast-align], [CFLAGS="$CFLAGS -Wcast-align"]) AX_CHECK_COMPILE_FLAG([-Wcast-align], [CFLAGS="$CFLAGS -Wcast-align"])
AX_CHECK_COMPILE_FLAG([-Wclobbered], [CFLAGS="$CFLAGS -Wclobbered"]) AX_CHECK_COMPILE_FLAG([-Wclobbered], [CFLAGS="$CFLAGS -Wclobbered"])
AX_CHECK_COMPILE_FLAG([-Wvla], [CFLAGS="$CFLAGS -Wvla"]) AX_CHECK_COMPILE_FLAG([-Wvla], [CFLAGS="$CFLAGS -Wvla"])
AX_CHECK_COMPILE_FLAG([-Wno-unused-parameter], [CFLAGS="$CFLAGS -Wno-unused-parameter"])
AX_CHECK_COMPILE_FLAG([-Wpragmas], [CFLAGS="$CFLAGS -Wpragmas"]) AX_CHECK_COMPILE_FLAG([-Wpragmas], [CFLAGS="$CFLAGS -Wpragmas"])
AX_CHECK_COMPILE_FLAG([-Wunreachable-code], [CFLAGS="$CFLAGS -Wunreachable-code"]) AX_CHECK_COMPILE_FLAG([-Wunreachable-code], [CFLAGS="$CFLAGS -Wunreachable-code"])
AX_CHECK_COMPILE_FLAG([-Waddress], [CFLAGS="$CFLAGS -Waddress"]) AX_CHECK_COMPILE_FLAG([-Waddress], [CFLAGS="$CFLAGS -Waddress"])