strace/m4/st_warn_cflags.m4
Dmitry V. Levin 9beaf2c3d3 Move all gl_WARN_ADD calls to a separate m4 macro
This is going to be needed for the upcoming AX_PROG_CC_FOR_BUILD
change.

* configure.ac: Call st_WARN_CFLAGS before AX_PROG_CC_FOR_BUILD.
Move all gl_WARN_ADD calls ...
* m4/st_warn_cflags.m4: ... here.
2016-12-07 10:59:52 +00:00

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AC_DEFUN([st_WARN_CFLAGS], [dnl
gl_WARN_ADD([-Wall])
gl_WARN_ADD([-Wempty-body])
gl_WARN_ADD([-Wformat-security])
gl_WARN_ADD([-Wignored-qualifiers])
gl_WARN_ADD([-Winit-self])
gl_WARN_ADD([-Wlogical-op])
gl_WARN_ADD([-Wmissing-parameter-type])
gl_WARN_ADD([-Wnested-externs])
gl_WARN_ADD([-Wold-style-declaration])
gl_WARN_ADD([-Wold-style-definition])
gl_WARN_ADD([-Wsign-compare])
gl_WARN_ADD([-Wtype-limits])
gl_WARN_ADD([-Wwrite-strings])
AC_ARG_ENABLE([gcc-Werror],
[AS_HELP_STRING([--enable-gcc-Werror], [turn on gcc's -Werror option])],
[case $enableval in
yes) gl_WARN_ADD([-Werror]) ;;
no) ;;
*) AC_MSG_ERROR([bad value $enableval for gcc-Werror option]) ;;
esac]
)
AC_SUBST([WARN_CFLAGS])
])