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Neels Hofmeyr gerrit-no-reply at lists.osmocom.orgNeels Hofmeyr has submitted this change and it was merged. Change subject: configure: add --enable-werror ...................................................................... configure: add --enable-werror Provide a sane means of adding the -Werror compiler flag. Currently, some of our jenkins.sh add -Werror by passing 'CFLAGS="-Werror"', but that actually *overwrites* all the other CFLAGS we might want to have set. Maintain these exceptions from -Werror: a) deprecation (allow upstream to mark deprecation without breaking builds); b) "#warning" pragmas (allow to remind ourselves of errors without breaking builds) As a last configure step before generating the output files, print the complete CFLAGS and CPPFLAGS by means of AC_MSG_RESULT. Change-Id: I0f735913fc3bbda695c4e66449dcfc94f417dafb --- M configure.ac 1 file changed, 21 insertions(+), 0 deletions(-) Approvals: Neels Hofmeyr: Looks good to me, approved Jenkins Builder: Verified diff --git a/configure.ac b/configure.ac index 3706b6c..8cddd1a 100644 --- a/configure.ac +++ b/configure.ac @@ -45,6 +45,24 @@ LDFLAGS="$LDFLAGS -fsanitize=address -fsanitize=undefined" fi +AC_ARG_ENABLE(werror, + [AS_HELP_STRING( + [--enable-werror], + [Turn all compiler warnings into errors, with exceptions: + a) deprecation (allow upstream to mark deprecation without breaking builds); + b) "#warning" pragmas (allow to remind ourselves of errors without breaking builds) + ] + )], + [werror=$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 $WERROR_FLAGS" +fi + AC_ARG_ENABLE(profile, [AS_HELP_STRING([--enable-profile], [Compile with profiling support enabled], )], [profile=$enableval], [profile="no"]) @@ -116,6 +134,9 @@ STD_DEFINES_AND_INCLUDES="-Wall" AC_SUBST(STD_DEFINES_AND_INCLUDES) +AC_MSG_RESULT([CFLAGS="$CFLAGS"]) +AC_MSG_RESULT([CPPFLAGS="$CPPFLAGS"]) + AC_OUTPUT( osmo-pcu.pc include/Makefile -- To view, visit https://gerrit.osmocom.org/7118 To unsubscribe, visit https://gerrit.osmocom.org/settings Gerrit-MessageType: merged Gerrit-Change-Id: I0f735913fc3bbda695c4e66449dcfc94f417dafb Gerrit-PatchSet: 2 Gerrit-Project: osmo-pcu Gerrit-Branch: master Gerrit-Owner: Neels Hofmeyr <nhofmeyr at sysmocom.de> Gerrit-Reviewer: Jenkins Builder Gerrit-Reviewer: Neels Hofmeyr <nhofmeyr at sysmocom.de>