diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 45 |
1 files changed, 44 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac index d2a0699..201130a 100644 --- a/configure.ac +++ b/configure.ac @@ -100,13 +100,14 @@ AC_SUBST([CPPFLAGS]) ## H5_CFLAGS (and company) are for CFLAGS that should be used on HDF5, but ## not exported to h5cc (or h5fc, etc.) ## -## H5_ECFLAGS is for warnings that should be treated as errors. +## H5_ECFLAGS and H5_ECXXFLAGS are for warnings that should be treated as errors. ## AC_SUBST([H5_CFLAGS]) AC_SUBST([H5_ECFLAGS]) AC_SUBST([H5_CPPFLAGS]) AC_SUBST([H5_FCFLAGS]) AC_SUBST([H5_CXXFLAGS]) +AC_SUBST([H5_ECXXFLAGS]) AC_SUBST([H5_LDFLAGS]) ## AM_CFLAGS (and company) are for CFLAGS that should be used on HDF5, @@ -1777,6 +1778,48 @@ else fi ## ---------------------------------------------------------------------- +## Check if developer warnings should be turned on +## These are warnings that provide suggestions like gcc's -Wsuggest-attribute. +## They do not indicate code problems. +## +## Note that developers don't need to build with these regularly. They +## are just handy to check once in a while (before releases, etc.). +## +AC_MSG_CHECKING([enable developer warnings]) +AC_ARG_ENABLE([developer-warnings], + [AS_HELP_STRING([--enable-developer-warnings], + [Determines whether developer warnings will be + emitted. These are usually performance suggestions + (e.g. -Wsuggest-attribute) and do not flag poor code + quality. + [default=no] + ])], + [DEV_WARNINGS=$enableval]) + +## Set default +if test "X-$DEV_WARNINGS" = X- ; then + DEV_WARNINGS=no +fi + +## Allow this variable to be substituted in +## other files (src/libhdf5.settings.in, etc.) +AC_SUBST([DEV_WARNINGS]) + +case "X-$DEV_WARNINGS" in + X-yes) + H5_CFLAGS="$H5_CFLAGS $DEVELOPER_WARNING_CFLAGS" + AC_MSG_RESULT([yes]) + ;; + X-no) + H5_CFLAGS="$H5_CFLAGS $NO_DEVELOPER_WARNING_CFLAGS" + AC_MSG_RESULT([no]) + ;; + *) + AC_MSG_ERROR([Unrecognized value: $DEV_WARNINGS]) + ;; +esac + +## ---------------------------------------------------------------------- ## Turn on debugging by setting compiler flags ## This must come after the enable-production since it depends on production. ## |