* Fix Savannah bug #21250: builds/unix/configure installs bi-arch ftconfig.h if it works correctly
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Suzuki, Toshiya (鈴木俊哉)
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8e29645e20
commit
59188661e6
16
ChangeLog
16
ChangeLog
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@ -1,3 +1,19 @@
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2008-09-11 suzuki toshiya <mpsuzuki@hiroshima-u.ac.jp>
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* builds/unix/ftconfig.in: Duplicate the cpp computation of
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FT_SIZEOF_{INT|LONG} from include/freetype/config/ftconfig.h.
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If FT_USE_AUTOCONF_SIZEOF_TYPES is defined, the cpp computation
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is disabled and the statically configured sizes are used.
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This fixes Savannah bug #21250
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* builds/unix/configure.raw: Add the checks to compare the
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cpp computation results of the bit length of int and long
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versus the sizes detected by running configure. If the results
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are different, FT_USE_AUTOCONF_SIZEOF_TYPES is defined to
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prioritize the results detected by running configure.
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New option --{enable|disable}-biarch-config is added to
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define or undefine FT_USE_AUTOCONF_SIZEOF_TYPES manually.
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2008-09-05 suzuki toshiya <mpsuzuki@hiroshima-u.ac.jp>
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* builds/unix/configure.raw: Clear FT2_EXTRA_LIBS when Carbon
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@ -126,6 +126,65 @@ AC_CHECK_SIZEOF([int])
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AC_CHECK_SIZEOF([long])
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# checks for cpp computation of size of int and long ftconfig.in works
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AC_MSG_CHECKING([cpp computation of bit length in ftconfig.in works])
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orig_CPPFLAGS="${CPPFLAGS}"
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CPPFLAGS="-I${srcdir} -I. ${CPPFLAGS}"
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ac_clean_files="ft2build.h ftoption.h ftstdlib.h"
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touch ft2build.h ftoption.h ftstdlib.h
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cat > conftest.c <<\_ACEOF
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#include <limits.h>
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#define FT_CONFIG_OPTIONS_H "ftoption.h"
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#define FT_CONFIG_STANDARD_LIBRARY_H "ftstdlib.h"
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#define FT_UINT_MAX UINT_MAX
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#define FT_ULONG_MAX ULONG_MAX
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#include "ftconfig.in"
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_ACEOF
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echo >> conftest.c "#if FT_SIZEOF_INT == "${ac_cv_sizeof_int}
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echo >> conftest.c "ac_cpp_ft_sizeof_int="${ac_cv_sizeof_int}
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echo >> conftest.c "#endif"
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echo >> conftest.c "#if FT_SIZEOF_LONG == "${ac_cv_sizeof_long}
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echo >> conftest.c "ac_cpp_ft_sizeof_long="${ac_cv_sizeof_long}
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echo >> conftest.c "#endif"
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${CPP} ${CPPFLAGS} conftest.c | ${GREP} ac_cpp_ft > conftest.sh
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eval `cat conftest.sh`
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${RMF} conftest.c conftest.sh confft2build.h ftoption.h ftstdlib.h
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if test x != "x${ac_cpp_ft_sizeof_int}" -a x != x"${ac_cpp_ft_sizeof_long}"
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then
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unset ft_use_autoconf_sizeof_types
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else
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ft_use_autoconf_sizeof_types="yes"
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fi
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AC_ARG_ENABLE(biarch-config,
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[ --enable-biarch-config install biarch ftconfig.h to support multiple
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architechtures by single file], [], [])
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case :${ft_use_autoconf_sizeof_types}:${enable_biarch_config}: in
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:yes:yes: )
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AC_MSG_RESULT([broken but use])
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unset ft_use_autoconf_sizeof_types
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;;
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::no: )
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AC_MSG_RESULT([works but ignore])
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ft_use_autoconf_sizeof_types="yes"
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;;
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::yes: | ::: )
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AC_MSG_RESULT([yes])
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unset ft_use_autoconf_sizeof_types
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;;
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* )
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AC_MSG_RESULT([no])
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ft_use_autoconf_sizeof_types="yes"
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;;
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esac
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if test xyes = x"${ft_use_autoconf_sizeof_types}"
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then
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AC_DEFINE([FT_USE_AUTOCONF_SIZEOF_TYPES])
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fi
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CPPFLAGS="${orig_CPPFLAGS}"
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# checks for library functions
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# Here we check whether we can use our mmap file component.
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@ -59,15 +59,60 @@ FT_BEGIN_HEADER
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#undef HAVE_UNISTD_H
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#undef HAVE_FCNTL_H
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#undef HAVE_STDINT_H
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/* There are systems (like the Texas Instruments 'C54x) where a `char' */
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/* has 16 bits. ANSI C says that sizeof(char) is always 1. Since an */
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/* `int' has 16 bits also for this system, sizeof(int) gives 1 which */
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/* is probably unexpected. */
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/* */
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/* `CHAR_BIT' (defined in limits.h) gives the number of bits in a */
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/* `char' type. */
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#ifndef FT_CHAR_BIT
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#define FT_CHAR_BIT CHAR_BIT
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#endif
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#undef FT_USE_AUTOCONF_SIZEOF_TYPES
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#ifdef FT_USE_AUTOCONF_SIZEOF_TYPES
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#undef SIZEOF_INT
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#undef SIZEOF_LONG
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#define FT_SIZEOF_INT SIZEOF_INT
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#define FT_SIZEOF_LONG SIZEOF_LONG
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#else /* ! FT_USE_AUTOCONF_SIZEOF_TYPES */
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#define FT_CHAR_BIT CHAR_BIT
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/* Following cpp computation of the bit length of int and long */
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/* is copied from default include/freetype/config/ftconfig.h. */
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/* If any improvement is required for this file, it should be */
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/* applied to the original header file for the builders that */
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/* does not use configure script. */
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/* The size of an `int' type. */
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#if FT_UINT_MAX == 0xFFFFUL
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#define FT_SIZEOF_INT (16 / FT_CHAR_BIT)
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#elif FT_UINT_MAX == 0xFFFFFFFFUL
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#define FT_SIZEOF_INT (32 / FT_CHAR_BIT)
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#elif FT_UINT_MAX > 0xFFFFFFFFUL && FT_UINT_MAX == 0xFFFFFFFFFFFFFFFFUL
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#define FT_SIZEOF_INT (64 / FT_CHAR_BIT)
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#else
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#error "Unsupported size of `int' type!"
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#endif
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/* The size of a `long' type. A five-byte `long' (as used e.g. on the */
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/* DM642) is recognized but avoided. */
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#if FT_ULONG_MAX == 0xFFFFFFFFUL
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#define FT_SIZEOF_LONG (32 / FT_CHAR_BIT)
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#elif FT_ULONG_MAX > 0xFFFFFFFFUL && FT_ULONG_MAX == 0xFFFFFFFFFFUL
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#define FT_SIZEOF_LONG (32 / FT_CHAR_BIT)
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#elif FT_ULONG_MAX > 0xFFFFFFFFUL && FT_ULONG_MAX == 0xFFFFFFFFFFFFFFFFUL
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#define FT_SIZEOF_LONG (64 / FT_CHAR_BIT)
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#else
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#error "Unsupported size of `long' type!"
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#endif
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#endif /* ! FT_USE_AUTOCONF_SIZEOF_TYPES */
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/* Preferred alignment of data */
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#define FT_ALIGNMENT 8
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