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avoid ending up with -isystem /usr/include, which breaks horribly #76

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Merged
caolanm merged 1 commit into from
Jun 1, 2026
Merged

avoid ending up with -isystem /usr/include, which breaks horribly #76

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10 changes: 6 additions & 4 deletions configure.ac
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Original file line number Diff line number Diff line change
Expand Up @@ -170,10 +170,12 @@ BOOST_UUID
AS_IF([test "x$enable_client" != "xno"], [
BOOST_PROGRAM_OPTIONS
])
# Treat boost headers as system headers so -Wshadow / -Weffc++ etc.
# inside them do not break the build under -Werror. boost.m4 emits
# -I$prefix; rewrite to -isystem $prefix.
BOOST_CPPFLAGS=`echo "$BOOST_CPPFLAGS" | sed 's|-I|-isystem |g'`
# Our macOS CI uses --with-boost=/opt/homebrew and then has warnings which trip
# up -Werror. So rewrite the -I that boost.m4 emits to -isystem so -Wshadow, etc
# inside boost don't make ci fail
AS_IF([test -n "$with_boost" -a "x$with_boost" != "xyes" -a "x$with_boost" != "xno"], [
BOOST_CPPFLAGS=`echo "$BOOST_CPPFLAGS" | sed 's|-I|-isystem |g'`
])
AC_SUBST(BOOST_CPPFLAGS)

# Checks for header files.
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