dnl
dnl Author: Thomas E. Dickey 1995-on
dnl
-dnl $Id: aclocal.m4,v 1.684 2013/11/16 19:28:35 tom Exp $
+dnl $Id: aclocal.m4,v 1.685 2013/11/23 18:20:50 tom Exp $
dnl Macros used in NCURSES auto-configuration script.
dnl
dnl These macros are maintained separately from NCURSES. The copyright on
fi
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_CLANG_COMPILER version: 1 updated: 2012/06/16 14:55:39
+dnl CF_CLANG_COMPILER version: 2 updated: 2013/11/19 19:23:35
dnl -----------------
dnl Check if the given compiler is really clang. clang's C driver defines
dnl __GNUC__ (fooling the configure script into setting $GCC to yes) but does
dnl the wrappers for gcc and g++ warnings.
dnl
dnl $1 = GCC (default) or GXX
-dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
+dnl $2 = CLANG_COMPILER (default)
dnl $3 = CFLAGS (default) or CXXFLAGS
AC_DEFUN([CF_CLANG_COMPILER],[
ifelse([$2],,CLANG_COMPILER,[$2])=no
fi
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_GCC_WARNINGS version: 30 updated: 2013/11/16 13:56:26
+dnl CF_GCC_WARNINGS version: 31 updated: 2013/11/19 19:23:35
dnl ---------------
dnl Check if the compiler supports useful warning options. There's a few that
dnl we don't use, simply because they're too noisy:
EXTRA_CFLAGS=
cf_warn_CONST=""
test "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings"
+ cf_gcc_warnings="Wignored-qualifiers Wlogical-op Wvarargs"
+ test "x$CLANG_COMPILER" = xyes && cf_gcc_warnings=
for cf_opt in W Wall \
Wbad-function-cast \
Wcast-align \
Wcast-qual \
Wdeclaration-after-statement \
Wextra \
- Wignored-qualifiers \
Winline \
- Wlogical-op \
Wmissing-declarations \
Wmissing-prototypes \
Wnested-externs \
Wpointer-arith \
Wshadow \
Wstrict-prototypes \
- Wundef \
- Wvarargs $cf_warn_CONST $1
+ Wundef $cf_gcc_warnings $cf_warn_CONST $1
do
CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
if AC_TRY_EVAL(ac_compile); then