105 lines
3.3 KiB
Diff
105 lines
3.3 KiB
Diff
--- a/configure.in
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+++ b/configure.in
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@@ -312,6 +312,25 @@ AC_CHECK_FUNCS(atexit ioperm i386_set_io
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AC_REPLACE_FUNCS(getenv isfdtype sigprocmask snprintf \
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strcasestr strdup strndup strsep usleep sleep syslog vsyslog)
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+dnl sys/io.h might provide ioperm but not inb,outb (like for
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+dnl non i386/x32/x86_64 with musl libc)
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+if test "${ac_cv_header_sys_io_h}" = "yes"; then
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+ AC_MSG_CHECKING([for inb,outb (provided by sys/io.h)])
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+ AC_LINK_IFELSE(
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+ [AC_LANG_PROGRAM([[#include <sys/io.h>]],
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+ [[inb(0);outb(0,0);]])],
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+ [AC_MSG_RESULT([yes])
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+ sane_cv_have_sys_io_h_with_inb_outb="yes"],
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+ [AC_MSG_RESULT([no])
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+ sane_cv_have_sys_io_h_with_inb_outb="no"
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+ AC_MSG_WARN([sys/io.h does not provide inb,outb (non i386/x32/x86_64 arch?)])])
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+ if test "$sane_cv_have_sys_io_h_with_inb_outb" = "yes"; then
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+ AC_DEFINE(SANE_HAVE_SYS_IO_H_WITH_INB_OUTB, 1, [Define to 1 if you have the <sys/io.h> providing inb,outb.])
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+ fi
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+else
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+ sane_cv_have_sys_io_h_with_inb_outb="no"
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+fi
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+
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SANE_PROTOTYPES
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if test "$ac_cv_header_os2_h" = "yes" ; then
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--- a/include/sane/config.h.in
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+++ b/include/sane/config.h.in
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@@ -490,6 +484,9 @@
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/* SANE DLL minor number */
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#undef SANE_DLL_V_MINOR
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+/* Define to 1 if you have the <sys/io.h> providing inb,outb. */
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+#undef SANE_HAVE_SYS_IO_H_WITH_INB_OUTB
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+
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/* SCSI command buffer size */
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#undef SCSIBUFFERSIZE
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--- a/acinclude.m4
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+++ b/acinclude.m4
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@@ -620,9 +620,9 @@ for be in ${BACKENDS}; do
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;;
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qcam)
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- if test "${ac_cv_func_ioperm}" = "no" \
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+ if ( test "${ac_cv_func_ioperm}" = "no" || test "${sane_cv_have_sys_io_h_with_inb_outb}" = "no" )\
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&& test "${ac_cv_func__portaccess}" = "no"; then
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- echo "*** $be backend requires ioperm and portaccess functions - $DISABLE_MSG"
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+ echo "*** $be backend requires (ioperm, inb and outb) or portaccess functions - $DISABLE_MSG"
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backend_supported="no"
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fi
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;;
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--- a/sanei/sanei_pio.c
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+++ b/sanei/sanei_pio.c
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@@ -61,6 +61,9 @@
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#ifdef HAVE_SYS_IO_H
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# include <sys/io.h> /* use where available (glibc 2.x, for example) */
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+# ifndef SANE_HAVE_SYS_IO_H_WITH_INB_OUTB
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+# define IO_SUPPORT_MISSING
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+# endif
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#elif HAVE_ASM_IO_H
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# include <asm/io.h> /* ugly, but backwards compatible */
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#elif HAVE_SYS_HW_H
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--- a/sanei/sanei_ab306.c
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+++ b/sanei/sanei_ab306.c
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@@ -51,6 +51,9 @@
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#ifdef HAVE_SYS_IO_H
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# include <sys/io.h> /* use where available (glibc 2.x, for example) */
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+# ifndef SANE_HAVE_SYS_IO_H_WITH_INB_OUTB
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+# define IO_SUPPORT_MISSING
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+# endif
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#elif HAVE_ASM_IO_H
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# include <asm/io.h> /* ugly, but backwards compatible */
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#elif defined (__i386__) && defined (__GNUC__)
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--- a/sanei/sanei_pa4s2.c
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+++ b/sanei/sanei_pa4s2.c
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@@ -72,7 +72,10 @@
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# if defined (__ICC) && __ICC >= 700
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# define __GNUC__ 2
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# endif
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-# include <sys/io.h>
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+# include <sys/io.h>
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+# ifndef SANE_HAVE_SYS_IO_H_WITH_INB_OUTB
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+# define IO_SUPPORT_MISSING
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+# endif
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# if defined (__ICC) && __ICC >= 700
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# undef __GNUC__
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# elif defined(__ICC) && defined(HAVE_ASM_IO_H)
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--- a/sanei/sanei_pp.c
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+++ b/sanei/sanei_pp.c
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@@ -94,6 +94,9 @@
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# define __GNUC__ 2
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# endif
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# include <sys/io.h>
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+# ifndef SANE_HAVE_SYS_IO_H_WITH_INB_OUTB
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+# define IO_SUPPORT_MISSING
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+# endif
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# if defined (__ICC) && __ICC >= 700
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# undef __GNUC__
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# elif defined(__ICC) && defined(HAVE_ASM_IO_H)
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