43 lines
1.5 KiB
Plaintext
43 lines
1.5 KiB
Plaintext
dnl Attempt to locate boost libraries.
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dnl
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dnl We explicitly do not use ax_boost_* macros aside from the version checks
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dnl because they are catastrophically broken for any remotely complex setup,
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dnl and I will just end up punching someone if I have to look at any more
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dnl broken M4.
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dnl
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dnl $1 version required
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dnl $2 space delimited list of components required
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dnl
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dnl sets BOOST_LDFLAGS and BOOST_CPPFLAGS
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AC_DEFUN([NC_BOOST], [
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AC_REQUIRE([NC_BOOST_BASE])
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for _nc_boost_lib in $2; do
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AS_CASE([$_nc_boost_lib],
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["system"], [NC_BOOST_SYSTEM],
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["thread"], [NC_BOOST_THREAD],
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["filesystem"], [NC_BOOST_FILESYSTEM],
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[AC_MSG_ERROR([unknown boost library $_nc_boost_lib])]
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)
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dnl find what the variable name is for this package's CPPFLAGS/LIBS
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_NAME="$(echo $_nc_boost_lib | tr "[a-z]" "[A-Z]")"
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_CPPFLAGS_NAME="BOOST_${_NAME}_CPPFLAGS"
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_LDFLAGS_NAME="BOOST_${_NAME}_LDFLAGS"
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dnl extract the aforementioned variable's values
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_CPPFLAGS="$(eval "echo \$$_CPPFLAGS_NAME")"
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_LDFLAGS="$(eval "echo \$$_LDFLAGS_NAME")"
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dnl append flags and libs if they don't already exist
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for flag in $_CPPFLAGS; do
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AS_IF([test " $BOOST_CPPFLAGS " != " *$flag* "], [BOOST_CPPFLAGS="$BOOST_CPPFLAGS $flag"])
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done
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for lib in $_LDFLAGS; do
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AS_IF([test " $BOOST_LDFLAGS " != " *$lib* "], [BOOST_LDFLAGS="$BOOST_LDFLAGS $lib"])
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done
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done
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])
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