diff options
Diffstat (limited to 'build_posix/configure.ac.in')
| -rw-r--r-- | build_posix/configure.ac.in | 37 |
1 files changed, 26 insertions, 11 deletions
diff --git a/build_posix/configure.ac.in b/build_posix/configure.ac.in index 617304f9215..bbc6cf89d91 100644 --- a/build_posix/configure.ac.in +++ b/build_posix/configure.ac.in @@ -9,19 +9,20 @@ AC_CONFIG_AUX_DIR([build_posix/gnu-support]) AC_CONFIG_MACRO_DIR([build_posix/aclocal]) AC_CONFIG_SRCDIR([RELEASE_INFO]) -# If CFLAGS/CXXFLAGS were not set on entry, default to "-O3 -g" -: ${CFLAGS=-O3 -g} -: ${CXXFLAGS=-O3 -g} - # We rely on some automake features for testing (like AM_TEST_ENVIRONMENT) # that didn't work before 1.11.6. AM_INIT_AUTOMAKE([1.11.6 foreign parallel-tests subdir-objects]) m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([no])]) -# Configure options. The AM_OPTIONS and the libtool configuration -# need to stay here. Moving them below the compiler and other -# configurations causes -Wcast_align warnings and other warnings -# on OS X. +# If CFLAGS/CXXFLAGS were not set on entry, default to "-O3 -g" +: ${CFLAGS=-O3 -g} +: ${CXXFLAGS=-O3 -g} + +AC_PROG_CC(cc gcc) +AC_PROG_CXX(c++ g++) +AM_PROG_AS(as gas) + +# Configure options. AM_OPTIONS define([AC_LIBTOOL_LANG_CXX_CONFIG], [:])dnl @@ -30,9 +31,23 @@ LT_PREREQ(2.2.6) LT_INIT([pic-only]) AC_SUBST([LIBTOOL_DEPS]) -AC_PROG_CC(cc gcc) -AC_PROG_CXX(c++ g++) -AM_PROG_AS(as gas) +# If enable-strict is configured, turn on as much error checking as we can for +# this compiler. Intended for developers, and only works for gcc/clang, but it +# fills a need. +if test "$wt_cv_enable_strict" = "yes"; then + wt_cv_cc_version="`$CC --version | sed -eq`" + case "$wt_cv_cc_version" in + *clang*) + AM_CLANG_WARNINGS;; + *gcc*|*GCC*) + AM_GCC_WARNINGS;; + *) + AC_MSG_ERROR( + [--enable-strict does not support "$wt_cv_cc_version".]);; + esac + + AM_CFLAGS="$AM_CFLAGS $wt_cv_strict_warnings" +fi AM_CONDITIONAL([POSIX_HOST], [true]) AM_CONDITIONAL([WINDOWS_HOST], [false]) |
