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configure.ac: Add --enable-sanitize and --enable-werror

this is "osmocom standard" these days, and is used by our CI scripts
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laf0rge committed Apr 18, 2018
1 parent 5a9864c commit f7f3e3f6d7992d2ec33b831da704e7cf2748269c
Showing with 27 additions and 0 deletions.
  1. +27 −0 configure.ac
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@@ -49,6 +49,33 @@ AC_CHECK_LIB(m, atan2, [LIBS="$LIBS -lm"])
dnl librealtime (for rtl_test)
AC_CHECK_LIB(rt, clock_gettime, [LIBS="$LIBS -lrt"])
AC_ARG_ENABLE(sanitize,
[AS_HELP_STRING([--enable-sanitize], [Compile with address sanitizer enabled], )],
[sanitize=$enableval], [sanitize="no"])
if test x"$sanitize" = x"yes"
then
CFLAGS="$CFLAGS -fsanitize=address -fsanitize=undefined"
CPPFLAGS="$CPPFLAGS -fsanitize=address -fsanitize=undefined"
fi
AC_ARG_ENABLE(werror,
[AS_HELP_STRING(
[--enable-werror],
[Turn all compiler warnings into errors, with exceptions:
a) deprecation (allow upstream to mark deprecation without breaking builds);
b) "#warning" pragmas (allow to remind ourselves of errors without breaking builds)
]
)],
[werror=$enableval], [werror="no"])
if test x"$werror" = x"yes"
then
WERROR_FLAGS="-Werror"
WERROR_FLAGS+=" -Wno-error=deprecated -Wno-error=deprecated-declarations"
WERROR_FLAGS+=" -Wno-error=cpp" # "#warning"
CFLAGS="$CFLAGS $WERROR_FLAGS"
CPPFLAGS="$CPPFLAGS $WERROR_FLAGS"
fi
# The following test is taken from WebKit's webkit.m4
saved_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -fvisibility=hidden "

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