configure.ac
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上传日期:2014-04-03
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文件大小:4k
源码类别:
Windows CE
开发平台:
C/C++
- # Run "autoconf" to generate "configure" from this file.
- # Run "autoheader" to generate "config.h.in" from this file.
- AC_PREREQ(2.56)
- AC_INIT(asap, 0.2.1, fox@scene.pl)
- AC_CONFIG_SRCDIR(asap.c)
- AC_CONFIG_HEADER(config.h)
- AC_CANONICAL_HOST
- if [[ "X_$CFLAGS" = "X_" ]]; then
- CFLAGS="-O2 -Wall"
- fi
- if [[ "X_$LDFLAGS" = "X_" ]]; then
- LDFLAGS="-s"
- fi
- AC_PROG_CC
- AC_C_BIGENDIAN
- AC_C_CONST
- AC_CHECK_LIB(m,cos,[LIBS="-lm $LIBS"])
- AC_ARG_ENABLE(unalignedwords,AC_HELP_STRING(--enable-unalignedwords,[Override usage of unaligned words]))
- if [[ "$enable_unalignedwords" != "yes" -a "$enable_unalignedwords" != "no" ]]; then
- case $host_cpu in
- alpha* | arm* | hppa* | ia64 | mips* | sparc*)
- enable_unalignedwords=no
- ;;
- i*86 | m68* | powerpc* | x86_64)
- enable_unalignedwords=yes
- ;;
- *)
- AC_MSG_WARN([$host_cpu architecture is unknown to this script.])
- AC_MSG_WARN([Performance may be sub-optimal.])
- AC_MSG_WARN([Please contact ASAP developers.])
- enable_unalignedwords=no
- ;;
- esac
- fi
- if [[ "$enable_unalignedwords" = "yes" ]]; then
- dnl Make sure it is allowed
- AC_MSG_CHECKING([for unaligned word access validity])
- AC_RUN_IFELSE(
- [AC_LANG_PROGRAM([[#include <stdio.h>]],[[
- unsigned char test_data[] = "Hello, I test unaligned word access validity.";
- unsigned char *p;
- /* step through test_data as far as 4 bytes are available via p */
- for (p = test_data; p[2] != ' '; p++) {
- unsigned int word_read = *(unsigned short *) p;
- if (word_read != (p[0] + (p[1] << 8))
- && word_read != (p[1] + (p[0] << 8))) {
- printf("16-bit access at address %p yields bad data!n"
- "Bytes: %02X %02X; Value read: %04Xn",
- p, p[0], p[1], word_read);
- return 1;
- }
- word_read = *(unsigned int *) p;
- if (word_read != (p[0] + (p[1] << 8) + (p[2] << 16) + (p[3] << 24))
- && word_read != (p[3] + (p[2] << 8) + (p[1] << 16) + (p[0] << 24))) {
- printf("32-bit access at address %p yields bad data!n"
- "Bytes: %02X %02X %02X %02X; Value read: %08Xn",
- p, p[0], p[1], p[2], p[3], word_read);
- return 1;
- }
- }
- ]])],
- AC_MSG_RESULT([yes]),
- [enable_unalignedwords=no; AC_MSG_RESULT([failed! disabling unaligned word access])],
- AC_MSG_RESULT([skipped because cross-compiling])
- )
- if [[ "$enable_unalignedwords" = "yes" ]]; then
- AC_DEFINE(WORDS_UNALIGNED_OK,1,[Define if unaligned word access is ok.])
- fi
- fi
- dnl The A8_OPTION macro automates the calling of AC_ARG_ENABLE, AC_HELP_STRING and AC_DEFINE.
- dnl $1 = the name of the feature, what follows "--enable-".
- dnl $2 = "yes" or "no", determines if feature defaults to being active or not.
- dnl $3 = The right side of the help line.
- dnl The left side is always "--enable-$1".
- dnl $4 = The symbol name which goes to config.h, the C #define symbol.
- dnl A symbol called "WANT_$4" is defined for use in this configure.ac.
- dnl $5 = The help string which shows up in config.h for the $4 symbol.
- AC_DEFUN([A8_OPTION],[
- AC_ARG_ENABLE($1,AC_HELP_STRING(--enable-$1,$3),WANT_$4=$enableval,WANT_$4=$2)
- if [[ "$WANT_$4" = "yes" ]]; then
- AC_DEFINE($4,1,$5)
- fi
- ])
- A8_OPTION(stereo,yes,[Support stereo tunes (default=ON)],STEREO_SOUND,[Define to support stereo tunes.])
- AC_CHECK_PROG(HAVE_XMMS_CONFIG, xmms-config, yes, no)
- if [[ "$HAVE_XMMS_CONFIG" = "yes" ]]; then
- XMMS_CFLAGS=`xmms-config --cflags`
- XMMS_LIBS=`xmms-config --libs`
- XMMS_INPUT_PLUGIN_DIR=`xmms-config --input-plugin-dir`
- else
- AC_MSG_WARN([xmms-config program not found!])
- AC_MSG_WARN([If you want to compile the XMMS plugin,])
- AC_MSG_WARN([install xmms-devel package,])
- AC_MSG_WARN([then re-run this configure script.])
- XMMS_CFLAGS="NOT_CONFIGURED"
- XMMS_LIBS="NOT_CONFIGURED"
- XMMS_INPUT_PLUGIN_DIR="NOT_CONFIGURED"
- fi
- AC_SUBST(XMMS_CFLAGS)
- AC_SUBST(XMMS_LIBS)
- AC_SUBST(XMMS_INPUT_PLUGIN_DIR)
- AC_CONFIG_FILES(Makefile)
- AC_OUTPUT