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m4/nut_compiler_family.m4: fix cross-compilation #2146

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Merged
jimklimov merged 1 commit into from
Nov 5, 2023
Merged

m4/nut_compiler_family.m4: fix cross-compilation #2146

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28 changes: 15 additions & 13 deletions m4/nut_compiler_family.m4
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Original file line number Diff line number Diff line change
Expand Up @@ -178,19 +178,21 @@ dnl # confuse the compiler assumptions - along with its provided headers)...
dnl # ideally; in practice however cppunit, net-snmp and some system include
dnl # files do cause grief to picky compiler settings (more so from third
dnl # party packages shipped via /usr/local/... namespace):
AS_IF([test "x$CLANGCC" = xyes -o "x$GCC" = xyes], [
dnl # CFLAGS="-isystem /usr/include $CFLAGS"
AS_IF([test -d /usr/local/include],
[CFLAGS="-isystem /usr/local/include $CFLAGS"])
AS_IF([test -d /usr/pkg/include],
[CFLAGS="-isystem /usr/pkg/include $CFLAGS"])
])
AS_IF([test "x$CLANGXX" = xyes -o "x$GXX" = xyes], [
dnl # CXXFLAGS="-isystem /usr/include $CXXFLAGS"
AS_IF([test -d /usr/local/include],
[CXXFLAGS="-isystem /usr/local/include $CXXFLAGS"])
AS_IF([test -d /usr/pkg/include],
[CXXFLAGS="-isystem /usr/pkg/include $CXXFLAGS"])
AS_IF([test "x$cross_compiling" != xyes], [
AS_IF([test "x$CLANGCC" = xyes -o "x$GCC" = xyes], [
dnl # CFLAGS="-isystem /usr/include $CFLAGS"
AS_IF([test -d /usr/local/include],
[CFLAGS="-isystem /usr/local/include $CFLAGS"])
AS_IF([test -d /usr/pkg/include],
[CFLAGS="-isystem /usr/pkg/include $CFLAGS"])
])
AS_IF([test "x$CLANGXX" = xyes -o "x$GXX" = xyes], [
dnl # CXXFLAGS="-isystem /usr/include $CXXFLAGS"
AS_IF([test -d /usr/local/include],
[CXXFLAGS="-isystem /usr/local/include $CXXFLAGS"])
AS_IF([test -d /usr/pkg/include],
[CXXFLAGS="-isystem /usr/pkg/include $CXXFLAGS"])
])
])

dnl # Default to avoid noisy warnings on older compilers
Expand Down