957ff81982
When gcc 7 is used, -Werror=format-truncation finds snprintf() calls in mod_cdr_mongodb.c and suspects that they may result in truncation. As a result the build fails. Work around this by adding -Wno-error=format-truncation to CFLAGS when gcc support this. JIRA-10939 has been raised upstream to follow up on this. Signed-off-by: Sebastian Kemper <sebastian_ml@gmx.net>
29 lines
1.2 KiB
Diff
29 lines
1.2 KiB
Diff
--- a/configure.ac
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+++ b/configure.ac
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@@ -363,6 +363,16 @@ if test "$ax_cv_c_compiler_vendor" = "gn
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[ac_cv_gcc_supports_w_no_misleading_indentation=no])])
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CFLAGS="$saved_CFLAGS"
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AC_MSG_RESULT($ac_cv_gcc_supports_w_no_misleading_indentation)
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+
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+ saved_CFLAGS="$CFLAGS"
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+ AC_CACHE_CHECK([whether compiler supports -Wno-error=format-truncation],
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+ [ac_cv_gcc_supports_w_no_err_format_truncation], [
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+ CFLAGS="$CFLAGS -Wno-error=format-truncation"
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+ AC_TRY_COMPILE([],[return 0;],
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+ [ac_cv_gcc_supports_w_no_err_format_truncation=yes],
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+ [ac_cv_gcc_supports_w_no_err_format_truncation=no])])
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+ CFLAGS="$saved_CFLAGS"
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+ AC_MSG_RESULT($ac_cv_gcc_supports_w_no_err_format_truncation)
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fi
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# tweak compiler specific flags
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@@ -402,6 +412,9 @@ elif test "x${ax_cv_c_compiler_vendor}"
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if test "$ac_cv_gcc_supports_w_no_misleading_indentation" = yes; then
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APR_ADDTO(SWITCH_AM_CFLAGS, -Wno-misleading-indentation)
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fi
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+ if test "$ac_cv_gcc_supports_w_no_err_format_truncation" = yes; then
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+ APR_ADDTO(SWITCH_AM_CFLAGS, -Wno-error=format-truncation)
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+ fi
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if test "${enable_64}" = "yes"; then
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case "$host" in
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*darwin*)
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