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build: quiet warnings in system headers installed from homebrew

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Cory Fields 2022-09-12 17:33:01 +00:00
parent 5558d2f549
commit b50a4b7647
1 changed files with 10 additions and 0 deletions
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10
configure.ac
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@ -746,6 +746,16 @@ case $host in
dnl It's safe to add these paths even if the functionality is disabled by
dnl the user (--without-wallet or --without-gui for example).
dnl Homebrew may create symlinks in /usr/local/include for some packages.
dnl Because MacOS's clang internally adds "-I /usr/local/include" to its search
dnl paths, this will negate efforts to use -isystem for those packages, as they
dnl will be found first in /usr/local. Use the internal "-internal-isystem"
dnl option to system-ify all /usr/local/include paths without adding it to the list
dnl of search paths in case it's not already there.
if test "$suppress_external_warnings" != "no"; then
AX_CHECK_PREPROC_FLAG([-Xclang -internal-isystem/usr/local/include], [CORE_CPPFLAGS="$CORE_CPPFLAGS -Xclang -internal-isystem/usr/local/include"], [], [$CXXFLAG_WERROR])
fi
if test "$use_bdb" != "no" && $BREW list --versions berkeley-db@4 >/dev/null && test "$BDB_CFLAGS" = "" && test "$BDB_LIBS" = ""; then
bdb_prefix=$($BREW --prefix berkeley-db@4 2>/dev/null)
dnl This must precede the call to BITCOIN_FIND_BDB48 below.