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5.10.6 Objective C++ Compiler Characteristics
- Macro: AC_PROG_OBJCXX ([compiler-search-list]@c)
-
Determine an Objective C++ compiler to use. If
OBJCXX
is not already set in the environment, check for Objective C++ compilers. Set output variableOBJCXX
to the name of the compiler found.This macro may, however, be invoked with an optional first argument which, if specified, must be a blank-separated list of Objective C++ compilers to search for. This just gives the user an opportunity to specify an alternative search list for the Objective C++ compiler. For example, if you didn’t like the default order, then you could invoke
AC_PROG_OBJCXX
like this:AC_PROG_OBJCXX([gcc g++ objcc++ objcxx])
If using the GNU Objective C++ compiler, set shell variable
GOBJCXX
to ‘yes’. If output variableOBJCXXFLAGS
was not already set, set it to ‘-g -O2’ for the GNU Objective C++ compiler (‘-O2’ on systems wheregcc
does not accept ‘-g’), or ‘-g’ for other compilers.
- Macro: AC_PROG_OBJCXXCPP
-
Set output variable
OBJCXXCPP
to a command that runs the Objective C++ preprocessor. If ‘$OBJCXX -E’ doesn’t work, ‘/lib/cpp’ is used.
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