mirror of
https://github.com/qpdf/qpdf.git
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aa864d2142
Update documentation to reflect that automatically generated files are committed. Detect when they are outdated if we have the ability to regenerate them.
542 lines
15 KiB
Plaintext
542 lines
15 KiB
Plaintext
dnl Process this file with autoconf to produce a configure script.
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dnl This config.in requires autoconf 2.5 or greater.
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AC_PREREQ([2.68])
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AC_INIT([qpdf],[8.2.1])
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AC_CONFIG_MACRO_DIR([m4])
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AC_CONFIG_FILES([autoconf.mk])
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AC_CONFIG_FILES([manual/html.xsl manual/print.xsl])
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AC_CONFIG_FILES([libqpdf.pc])
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AC_CONFIG_FILES([libqpdf.map])
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AC_CONFIG_HEADERS([libqpdf/qpdf/qpdf-config.h])
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# Check to see if automatically generated files are outdated and if we
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# can update them.
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AC_CHECK_PROG(AUTOCONF,autoconf,1,0)
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AC_CHECK_PROG(AUTOHEADER,autoheader,1,0)
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AC_CHECK_PROG(ACLOCAL,aclocal,1,0)
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AC_CHECK_PROG(MD5SUM,md5sum,1,0)
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if test "$AUTOCONF$AUTOHEADER$ACLOCAL$MD5SUM" = "1111"; then
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if ! md5sum configure.ac m4/* | diff - autofiles.sums; then
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AC_MSG_ERROR(autofiles are autodated; rerun autogen.sh)
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fi
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fi
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if md5sum configure.ac m4/* | diff -q - autofiles.sums; then
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echo "Automatically generated files are stale; rerun autogen.sh"
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fi
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AC_PROG_CC
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AC_PROG_CC_C99
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AC_PROG_CXX
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AC_HEADER_STDC
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LT_INIT([win32-dll])
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# * If any interfaces have been removed or changed, or if any private
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# member variables or virtual functions have been added to any
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# class, we are not binary compatible. Increment LT_CURRENT, and set
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# LT_AGE and LT_REVISION to 0.
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#
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# * Otherwise, if any interfaces have been added since the last public
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# release, then increment LT_CURRENT and LT_AGE, and set LT_REVISION
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# to 0.
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#
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# * Otherwise, increment LT_REVISION
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# LT = libtool
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LT_CURRENT=23
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LT_AGE=2
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LT_REVISION=1
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AC_SUBST(LT_CURRENT)
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AC_SUBST(LT_REVISION)
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AC_SUBST(LT_AGE)
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LT_SONAME=$(expr $LT_CURRENT - $LT_AGE)
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AC_SUBST(LT_SONAME)
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AC_ARG_ENABLE(insecure-random,
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AS_HELP_STRING([--enable-insecure-random],
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[whether to use stdlib's random number generator (default is no)]),
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[if test "$enableval" = "yes"; then
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qpdf_INSECURE_RANDOM=1;
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else
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qpdf_INSECURE_RANDOM=0;
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fi], [qpdf_INSECURE_RANDOM=0])
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if test "$qpdf_INSECURE_RANDOM" = "1"; then
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AC_MSG_RESULT(yes)
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AC_DEFINE([USE_INSECURE_RANDOM], [1], [Whether to use insecure random numbers])
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else
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AC_MSG_RESULT(no)
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fi
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AC_ARG_ENABLE(os-secure-random,
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AS_HELP_STRING([--enable-os-secure-random],
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[whether to try to use OS-provided secure random numbers (default is yes)]),
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[if test "$enableval" = "yes"; then
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qpdf_OS_SECURE_RANDOM=1;
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else
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qpdf_OS_SECURE_RANDOM=0;
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fi], [qpdf_OS_SECURE_RANDOM=1])
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if test "$qpdf_OS_SECURE_RANDOM" = "1"; then
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AC_MSG_RESULT(yes)
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else
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AC_MSG_RESULT(no)
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AC_DEFINE([SKIP_OS_SECURE_RANDOM], [1], [Whether to suppres use of OS-provided secure random numbers])
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fi
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AX_RANDOM_DEVICE
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USE_EXTERNAL_LIBS=0
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AC_MSG_CHECKING(for whether to use external libraries distribution)
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AC_ARG_ENABLE(external-libs,
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AS_HELP_STRING([--enable-external-libs],
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[whether to use external libraries distribution]),
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[if test "$enableval" = "yes"; then
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USE_EXTERNAL_LIBS=1;
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else
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USE_EXTERNAL_LIBS=0;
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fi], [BUILD_INTERNAL_LIBS=0])
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if test "$BUILD_INTERNAL_LIBS" = "0"; then
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AC_MSG_RESULT(no)
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else
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AC_MSG_RESULT(yes)
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fi
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WINDOWS_WORDSIZE=
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AC_SUBST(WINDOWS_WORDSIZE)
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AC_ARG_WITH(windows-wordsize,
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AS_HELP_STRING([--with-windows-wordsize={32,64}],
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[Windows only: whether this is a 32-bit or 64-bit build; required if external-libs are enabled]),
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[WINDOWS_WORDSIZE=$withval],
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[WINDOWS_WORDSIZE=none])
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if test "$USE_EXTERNAL_LIBS" = "1"; then
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AC_MSG_CHECKING(for windows wordsize)
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AC_MSG_RESULT($WINDOWS_WORDSIZE)
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if ! test "$WINDOWS_WORDSIZE" = "32" -o "$WINDOWS_WORDSIZE" = "64"; then
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AC_MSG_ERROR(Windows wordsize of 32 or 64 must be specified if external libs are being used.)
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fi
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fi
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if test "$BUILD_INTERNAL_LIBS" = "0"; then
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AC_CHECK_HEADER(zlib.h,,[MISSING_ZLIB_H=1; MISSING_ANY=1])
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AC_SEARCH_LIBS(deflate,z zlib,,[MISSING_ZLIB=1; MISSING_ANY=1])
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AC_CHECK_HEADER(jpeglib.h,,[MISSING_JPEG_H=1; MISSING_ANY=1])
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AC_SEARCH_LIBS(jpeg_destroy,jpeg,,[MISSING_JPEG=1; MISSING_ANY=1])
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fi
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if test "x$qpdf_OS_SECURE_RANDOM" = "x1"; then
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OLIBS=$LIBS
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LIBS="$LIBS Advapi32.lib"
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AC_MSG_CHECKING(for Advapi32 library)
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AC_LINK_IFELSE([AC_LANG_PROGRAM(
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[[#pragma comment(lib, "crypt32.lib")
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#include <windows.h>
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#include <wincrypt.h>
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HCRYPTPROV cp;]],
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[CryptAcquireContext(&cp, NULL, NULL, PROV_RSA_FULL, 0);]
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)],
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[AC_MSG_RESULT(yes)
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LIBS="$OLIBS -lAdvapi32"],
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[AC_MSG_RESULT(no)
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LIBS=$OLIBS])
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fi
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QPDF_LARGE_FILE_TEST_PATH=
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AC_SUBST(QPDF_LARGE_FILE_TEST_PATH)
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AC_ARG_WITH(large-file-test-path,
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AS_HELP_STRING([--with-large-file-test-path=path],
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[To enable testing of files > 4GB, give the path to a directory with at least 11 GB free. The test suite will write temporary files to this directory. Alternatively, just set the QPDF_LARGE_FILE_TEST_PATH environment variable to the path before running the test suite.]),
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[QPDF_LARGE_FILE_TEST_PATH=$withval],
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[QPDF_LARGE_FILE_TEST_PATH=])
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AC_SYS_LARGEFILE
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AC_FUNC_FSEEKO
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AC_CHECK_FUNCS([fseeko64])
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AC_TYPE_UINT16_T
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AC_TYPE_UINT32_T
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AC_CHECK_FUNCS(random)
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# Check if LD supports linker scripts, and define conditional
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# HAVE_LD_VERSION_SCRIPT if so. This functionality is currently
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# constrained to compilers using GNU ld on ELF systems or systems
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# which provide an adequate emulation thereof.
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AC_ARG_ENABLE([ld-version-script],
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AS_HELP_STRING([--enable-ld-version-script],
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[enable linker version script (default is enabled)]),
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[have_ld_version_script=$enableval], [have_ld_version_script=yes])
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if test "$have_ld_version_script" != no; then
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AC_MSG_CHECKING([if LD -Wl,--version-script works])
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save_LDFLAGS="$LDFLAGS"
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LDFLAGS="$LDFLAGS -Wl,--version-script=conftest.map"
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cat > conftest.map <<EOF
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VERS_1 {
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global: sym;
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};
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VERS_2 {
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global: sym;
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} VERS_1;
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EOF
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AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
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[have_ld_version_script=yes], [have_ld_version_script=no])
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rm -f conftest.map
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LDFLAGS="$save_LDFLAGS"
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AC_MSG_RESULT($have_ld_version_script)
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fi
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if test "$have_ld_version_script" = "yes"; then
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HAVE_LD_VERSION_SCRIPT=1
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else
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HAVE_LD_VERSION_SCRIPT=0
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fi
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AC_SUBST(HAVE_LD_VERSION_SCRIPT)
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make_okay=0
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for make_prog in make gmake; do
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this_make_okay=0
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AC_MSG_CHECKING(for gnu make >= 3.81 ($make_prog))
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if $make_prog --version >/dev/null 2>&1; then
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v=`$make_prog --version | grep 'GNU Make' | sed -e 's/.*Make //'`
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maj=`echo $v | cut -d. -f 1`
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min=`echo $v | cut -d. -f 2`
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if test $maj -gt 3 -o '(' $maj -eq 3 -a $min -ge 81 ')'; then
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this_make_okay=1
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make_okay=1
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fi
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fi
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if test "$this_make_okay" = "1"; then
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AC_MSG_RESULT(yes)
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else
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AC_MSG_RESULT(no)
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fi
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done
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if test "$make_okay" = "0"; then
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dnl Don't set MISSING_ANY=1 -- maybe user calls make something else
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MISSING_MAKE_381=1
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ISSUE_WARNINGS=1
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fi
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AC_SUBST(GENDEPS)
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GENDEPS=0
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AC_MSG_CHECKING(for whether $CC supports -MD -MF x.dep -MP)
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oCFLAGS=$CFLAGS
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rm -f x.dep
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CFLAGS="$CFLAGS -MD -MF x.dep -MP"
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
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[[#include <stdio.h>]], [[FILE* a = stdout]]
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)],
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[qpdf_DEPFLAGS=yes],
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[qpdf_DEPFLAGS=no])
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CFLAGS=$oCFLAGS
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if test "$qpdf_DEPFLAGS" = "yes"; then
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if ! grep stdio.h x.dep >/dev/null 2>&1; then
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qpdf_DEPFLAGS=no
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fi
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fi
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rm -f x.dep
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if test "$qpdf_DEPFLAGS" = "yes"; then
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AC_MSG_RESULT(yes)
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GENDEPS=1
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else
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AC_MSG_RESULT(no)
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fi
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AC_MSG_CHECKING(which build rules to use)
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AC_SUBST(BUILDRULES)
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AC_ARG_WITH(buildrules,
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AS_HELP_STRING([--with-buildrules=rules],
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[which build rules to use; see README.md]),
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[BUILDRULES=$withval],
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[BUILDRULES=libtool])
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AC_MSG_RESULT($BUILDRULES)
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AC_SUBST(WFLAGS)
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AC_SUBST(CXXWFLAGS)
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qpdf_USE_EXTRA_WARNINGS=0
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if test "$BUILDRULES" = "msvc"; then
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dnl /w14996 makes warning 4996 a level 1 warning. This warning
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dnl reports on functions that Microsoft considers unsafe or
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dnl deprecated. Removing these warnings helps people who want to
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dnl write applications based on qpdf that can be Windows 8
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dnl certified.
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try_flags="-w14996"
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else
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try_flags="-Wall"
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fi
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AC_MSG_CHECKING(for whether $CC supports $try_flags)
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oCFLAGS=$CFLAGS
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CFLAGS="$CFLAGS $try_flags"
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[int a = 1; int b = a; a = b;]])],
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[qpdf_USE_EXTRA_WARNINGS=1],[qpdf_USE_EXTRA_WARNINGS=0])
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CFLAGS=$oCFLAGS
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if test "$qpdf_USE_EXTRA_WARNINGS" = "1"; then
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AC_MSG_RESULT(yes)
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WFLAGS="$try_flags"
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else
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AC_MSG_RESULT(no)
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fi
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if test "$BUILDRULES" != "msvc"; then
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qpdf_USE_EXTRA_WARNINGS=0
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try_flags="-Wold-style-cast"
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AC_MSG_CHECKING(for whether $CXX supports $try_flags)
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oCXXFLAGS=$CXXFLAGS
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CXXFLAGS="$CXXFLAGS $try_flags"
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[int a = 1; int b = a; a = b;]])],
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[qpdf_USE_EXTRA_WARNINGS=1],[qpdf_USE_EXTRA_WARNINGS=0])
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CXXFLAGS=$oCXXFLAGS
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if test "$qpdf_USE_EXTRA_WARNINGS" = "1"; then
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AC_MSG_RESULT(yes)
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CXXWFLAGS="$try_flags"
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else
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AC_MSG_RESULT(no)
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fi
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fi
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if test "$BUILDRULES" = "msvc"; then
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try_flags=-FS
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AC_MSG_CHECKING(for whether $CC supports $try_flags)
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oCFLAGS=$CFLAGS
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CFLAGS="$CFLAGS $try_flags"
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[int a = 1; int b = a; a = b;]])],
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[qpdf_USE_FS=1],[qpdf_USE_FS=0])
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if test "$qpdf_USE_FS" = "1"; then
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AC_MSG_RESULT(yes)
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CXXFLAGS="$CXXFLAGS $try_flags"
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else
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AC_MSG_RESULT(no)
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CFLAGS=$oCFLAGS
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fi
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fi
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if test "$BUILDRULES" = "msvc"; then
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try_flags="-WX"
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else
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try_flags="-Werror"
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fi
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AC_MSG_CHECKING(for whether to use $try_flags)
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AC_ARG_ENABLE(werror,
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AS_HELP_STRING([--enable-werror],
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[whether to treat warnings as errors (default is no)]),
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[if test "$enableval" = "yes"; then
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qpdf_USE_WERROR=1;
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else
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qpdf_USE_WERROR=0;
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fi], [qpdf_USE_WERROR=0])
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if test "$qpdf_USE_WERROR" = "1"; then
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AC_MSG_RESULT(yes)
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WFLAGS="$WFLAGS $try_flags"
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else
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AC_MSG_RESULT(no)
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fi
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AC_SUBST(QPDF_SKIP_TEST_COMPARE_IMAGES)
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AC_ARG_ENABLE(test-compare-images,
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AS_HELP_STRING([--enable-test-compare-images],
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[whether to compare images in test suite; disabled by default, enabling requires ghostscript and tiffcmp to be available]),
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[if test "$enableval" = "no"; then
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QPDF_SKIP_TEST_COMPARE_IMAGES=1
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else
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QPDF_SKIP_TEST_COMPARE_IMAGES=0
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fi],
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[QPDF_SKIP_TEST_COMPARE_IMAGES=1])
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AC_SUBST(SHOW_FAILED_TEST_OUTPUT)
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AC_ARG_ENABLE(show-failed-test-output,
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AS_HELP_STRING([--enable-show-failed-test-output],
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[if specified, write failed test output to the console; useful for building on build servers where you can't easily open the test output files]),
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[if test "$enableval" = "no"; then
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SHOW_FAILED_TEST_OUTPUT=0
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else
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SHOW_FAILED_TEST_OUTPUT=1
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fi],
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[SHOW_FAILED_TEST_OUTPUT=0])
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AC_ARG_WITH(docbook-xsl,
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AS_HELP_STRING([--with-docbook-xsl=DIR],
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[location of docbook 4.x xml stylesheets]),
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[DOCBOOK_XSL=$withval],
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[DOCBOOK_XSL=/usr/share/xml/docbook/stylesheet/nwalsh])
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DOCBOOK_XHTML=
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AC_SUBST(DOCBOOK_XHTML)
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AC_MSG_CHECKING(for xml to xhtml docbook stylesheets)
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if test -f "$DOCBOOK_XSL/xhtml/docbook.xsl"; then
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DOCBOOK_XHTML="$DOCBOOK_XSL/xhtml/docbook.xsl"
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AC_MSG_RESULT($DOCBOOK_XHTML)
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else
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AC_MSG_RESULT(no)
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fi
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DOCBOOK_FO=
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AC_SUBST(DOCBOOK_FO)
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AC_MSG_CHECKING(for xml to fo docbook stylesheets)
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if test -f "$DOCBOOK_XSL/fo/docbook.xsl"; then
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DOCBOOK_FO="$DOCBOOK_XSL/fo/docbook.xsl"
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AC_MSG_RESULT($DOCBOOK_FO)
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else
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AC_MSG_RESULT(no)
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fi
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DOCBOOKX_DTD=
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AC_SUBST(DOCBOOKX_DTD)
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AC_ARG_WITH(docbookx-dtd,
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AS_HELP_STRING([--with-docbookx-dtd=FILE],
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[location of docbook 4.x xml DTD]),
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[DOCBOOKX_DTD=$withval],
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[DOCBOOKX_DTD=/usr/share/xml/docbook/schema/dtd/4/docbookx.dtd])
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AC_MSG_CHECKING(for docbook 4.x xml DTD)
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if test -f "$DOCBOOKX_DTD"; then
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AC_MSG_RESULT($DOCBOOKX_DTD)
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else
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AC_MSG_RESULT(no)
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fi
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AC_CHECK_PROG(FOP,fop,fop,[])
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AC_CHECK_PROG(XSLTPROC,xsltproc,xsltproc,[])
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AC_CHECK_PROG(XMLLINT,xmllint,xmllint,[])
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AC_ARG_ENABLE(doc-maintenance,
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AS_HELP_STRING([--enable-doc-maintenance],
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[if set, enables all documentation options]),
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[if test "$enableval" = "yes"; then
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doc_default=1;
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else
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doc_default=0;
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fi],
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[doc_default=0])
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BUILD_HTML=0
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AC_SUBST(BUILD_HTML)
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AC_ARG_ENABLE(html-doc,
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AS_HELP_STRING([--enable-html-doc],
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|
[whether to build HTML documents]),
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|
[if test "$enableval" = "yes"; then
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BUILD_HTML=1;
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else
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BUILD_HTML=0;
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fi],
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[BUILD_HTML=$doc_default])
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BUILD_PDF=0
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AC_SUBST(BUILD_PDF)
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AC_ARG_ENABLE(pdf-doc,
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AS_HELP_STRING([--enable-pdf-doc],
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[whether to build PDF documents]),
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|
[if test "$enableval" = "yes"; then
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BUILD_PDF=1;
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else
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BUILD_PDF=0;
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|
fi],
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|
[BUILD_PDF=$doc_default])
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VALIDATE_DOC=0
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AC_SUBST(VALIDATE_DOC)
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|
AC_ARG_ENABLE(validate-doc,
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|
AS_HELP_STRING([--enable-validate-doc],
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|
[whether to validate xml document source]),
|
|
[if test "$enableval" = "yes"; then
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|
VALIDATE_DOC=1;
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else
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|
VALIDATE_DOC=0;
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|
fi],
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|
[VALIDATE_DOC=$doc_default])
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|
if test "$VALIDATE_DOC" = "1"; then
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|
if test "$XMLLINT" = ""; then
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|
MISSING_XMLLINT=1
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MISSING_ANY=1
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fi
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fi
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|
if test "$BUILD_HTML" = "1"; then
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|
if test "$XSLTPROC" = ""; then
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MISSING_XSLTPROC=1
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MISSING_ANY=1
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fi
|
|
if test "$DOCBOOK_XHTML" = ""; then
|
|
MISSING_DOCBOOK_XHTML=1
|
|
MISSING_ANY=1
|
|
fi
|
|
fi
|
|
if test "$BUILD_PDF" = "1"; then
|
|
if test "$XSLTPROC" = ""; then
|
|
MISSING_XSLTPROC=1
|
|
MISSING_ANY=1
|
|
fi
|
|
if test "$DOCBOOK_FO" = ""; then
|
|
MISSING_DOCBOOK_FO=1
|
|
MISSING_ANY=1
|
|
fi
|
|
if test "$FOP" = ""; then
|
|
MISSING_FOP=1
|
|
MISSING_ANY=1
|
|
fi
|
|
fi
|
|
|
|
|
|
if test "$MISSING_ANY" = "1"; then
|
|
ISSUE_WARNINGS=1
|
|
fi
|
|
if test "$ISSUE_WARNINGS" = "1"; then
|
|
echo ""
|
|
echo ""
|
|
fi
|
|
|
|
if test "$MISSING_MAKE_381" = "1"; then
|
|
AC_MSG_WARN(gnu make >= 3.81 is required)
|
|
fi
|
|
|
|
if test "$MISSING_ZLIB_H" = "1"; then
|
|
AC_MSG_WARN(unable to find required header zlib.h)
|
|
fi
|
|
|
|
if test "$MISSING_ZLIB" = "1"; then
|
|
AC_MSG_WARN(unable to find required library z (or zlib))
|
|
fi
|
|
|
|
if test "$MISSING_JPEG_H" = "1"; then
|
|
AC_MSG_WARN(unable to find required header jpeglib.h)
|
|
fi
|
|
|
|
if test "$MISSING_JPEG" = "1"; then
|
|
AC_MSG_WARN(unable to find required library jpeg)
|
|
fi
|
|
|
|
if test "$MISSING_DOCBOOK_FO" = "1"; then
|
|
AC_MSG_WARN(docbook fo stylesheets are required to build PDF documentation)
|
|
fi
|
|
|
|
if test "$MISSING_DOCBOOK_XHTML" = "1"; then
|
|
AC_MSG_WARN(docbook xhmtl stylesheets are required to build HTML documentation)
|
|
fi
|
|
|
|
if test "$MISSING_FOP" = "1"; then
|
|
AC_MSG_WARN(apache fop is required to build PDF documentation)
|
|
fi
|
|
|
|
if test "$MISSING_XMLLINT" = "1"; then
|
|
AC_MSG_WARN(xmllint is required to validate documentation)
|
|
fi
|
|
|
|
if test "$MISSING_XSLTPROC" = "1"; then
|
|
AC_MSG_WARN(xsltproc is required to build documentation)
|
|
fi
|
|
|
|
if test "$ISSUE_WARNINGS" = "1"; then
|
|
echo ""
|
|
echo ""
|
|
fi
|
|
|
|
if test "$MISSING_ANY" = "1"; then
|
|
AC_MSG_ERROR(some required prerequisites were not found)
|
|
fi
|
|
|
|
# Do this last so it doesn't interfere with other tests.
|
|
if test "$USE_EXTERNAL_LIBS" = "1"; then
|
|
# Don't actually check for the presence of this -- we document that
|
|
# the user can run this and then edit autoconf.mk if they have too
|
|
# much trouble getting it to work with a different compiler.
|
|
CPPFLAGS="$CPPFLAGS -Iexternal-libs/include"
|
|
LDFLAGS="$LDFLAGS -Lexternal-libs/lib-$BUILDRULES$WINDOWS_WORDSIZE"
|
|
LIBS="$LIBS -lz -ljpeg"
|
|
fi
|
|
|
|
AC_OUTPUT
|