2017-03-02 10:30:10 +01:00
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dnl Look for expat, set EXPAT_CFLAGS, EXPAT_LIBS
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dnl Use --with-expat=PREFIX to set a specific prefix
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dnl
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dnl This is modified from the usual expat.m4:
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dnl - default to with_expat=yes
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dnl - don't set a conditional
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2017-03-01 12:07:51 +01:00
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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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2017-03-02 10:30:10 +01:00
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, with_expat=yes)
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2017-03-01 12:07:51 +01:00
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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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