db9b1df0e4
First, -Wstrict-prototypes wasn't actually getting used because -Werror was already in CFLAGS and AC_TRY_COMPILE doesn't produce main() functions with valid strict prototypes. Suck. But even fixing that, the WiMAX SDK won't build with the flag, so just rip it out.
34 lines
970 B
Plaintext
34 lines
970 B
Plaintext
AC_DEFUN([NM_COMPILER_WARNINGS],
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[AC_ARG_ENABLE(more-warnings,
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AS_HELP_STRING([--enable-more-warnings], [Maximum compiler warnings]),
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set_more_warnings="$enableval",set_more_warnings=yes)
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AC_MSG_CHECKING(for more warnings)
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if test "$GCC" = "yes" -a "$set_more_warnings" != "no"; then
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AC_MSG_RESULT(yes)
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CFLAGS="-Wall -std=gnu89 $CFLAGS"
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for option in -Wshadow -Wmissing-declarations -Wmissing-prototypes \
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-Wdeclaration-after-statement \
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-Wfloat-equal -Wno-unused-parameter -Wno-sign-compare \
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-fno-strict-aliasing -Wno-unused-but-set-variable \
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-Wundef; do
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SAVE_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS $option"
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AC_MSG_CHECKING([whether gcc understands $option])
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AC_TRY_COMPILE([], [],
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has_option=yes,
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has_option=no,)
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if test $has_option = no; then
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CFLAGS="$SAVE_CFLAGS"
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fi
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AC_MSG_RESULT($has_option)
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unset has_option
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unset SAVE_CFLAGS
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done
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unset option
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CFLAGS="$CFLAGS -Werror"
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else
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AC_MSG_RESULT(no)
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fi
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])
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