44 lines
1.4 KiB
Plaintext
44 lines
1.4 KiB
Plaintext
dnl Check if --with-expat[=PREFIX] is specified and
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dnl Expat >= 1.95.0 is installed in the system.
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dnl If yes, substitute EXPAT_CFLAGS, EXPAT_LIBS with regard to
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dnl the specified PREFIX and set with_expat to PREFIX, or 'yes' if PREFIX
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dnl has not been specified. Also HAVE_LIBEXPAT, HAVE_EXPAT_H are defined.
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dnl If --with-expat has not been specified, set with_expat to 'no'.
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dnl In addition, an Automake conditional EXPAT_INSTALLED is set accordingly.
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dnl This is necessary to adapt a whole lot of packages that have expat
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dnl bundled as a static library.
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AC_DEFUN([AM_WITH_EXPAT],
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[ AC_ARG_WITH(expat,
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[ --with-expat=PREFIX Use system Expat library],
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, with_expat=no)
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AM_CONDITIONAL(EXPAT_INSTALLED, test $with_expat != no)
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EXPAT_CFLAGS=
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EXPAT_LIBS=
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if test $with_expat != no; then
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if test $with_expat != yes; then
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EXPAT_CFLAGS="-I$with_expat/include"
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EXPAT_LIBS="-L$with_expat/lib"
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fi
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AC_CHECK_LIB(expat, XML_ParserCreate,
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[ EXPAT_LIBS="$EXPAT_LIBS -lexpat"
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expat_found=yes ],
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[ expat_found=no ],
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"$EXPAT_LIBS")
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if test $expat_found = no; then
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AC_MSG_ERROR([Could not find the Expat library])
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fi
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expat_save_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS $EXPAT_CFLAGS"
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AC_CHECK_HEADERS(expat.h, , expat_found=no)
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if test $expat_found = no; then
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AC_MSG_ERROR([Could not find expat.h])
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fi
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CFLAGS="$expat_save_CFLAGS"
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fi
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AC_SUBST(EXPAT_CFLAGS)
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AC_SUBST(EXPAT_LIBS)
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])
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