?? configure.in
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dnl Process this file with autoconf to produce a configure script for Dinero IV.dnl Written by Jan Edler.dnldnl $Header: /home/edler/dinero/d4/RCS/configure.in,v 1.3 1997/12/08 19:37:38 edler Exp $AC_INIT(d4.h)AC_CONFIG_HEADER(config.h)dnl Checks for programs.if test "x$CFLAGS" = x; then CFLAGS=-O3 # this is really poor, need a better way XXXfiAC_PROG_CCdnl check for any specific host dependenciesAC_AIXif test x$GCC = xyes; then CFLAGS="$CFLAGS -g" CFLAGS="$CFLAGS -Wall -Wcast-qual -Wshadow -Wpointer-arith" CFLAGS="$CFLAGS -Wmissing-prototypes"fiAC_PROG_RANLIBdnl Checks for header files.AC_HEADER_STDCdnl Checks for typedefs, structures, and compiler characteristics.AC_C_CONSTAC_TYPE_SIZE_TAC_CHECK_SIZEOF(short,0)AC_CHECK_SIZEOF(int,0)AC_CHECK_SIZEOF(long,0)AC_CHECK_SIZEOF(void*,0)dnl this is probably not worth the trouble,dnl and is ineffective without checking the timing,dnl in case unaligned accesses are slowly emulated, as on alphadnl if test "$cross_compiling" = yes; thendnl D4_UNALIGN_OK=0dnl elsednl AC_C_BIGENDIANdnl AC_MSG_CHECKING(if unaligned loads and stores are allowed)dnl AC_TRY_RUN([union { int i[3]; char c[1]; } u;dnl main(){ *(int*)&u.c[1] = getpid();dnl *(int*)&u.c[2] = *(int*)&u.c[1]; exit(0);}],dnl D4_UNALIGN_OK=1, D4_UNALIGN_OK=0, D4_UNALIGN_OK=0)dnl if test "$D4_UNALIGN_OK" = 1; thendnl AC_MSG_RESULT(yes)dnl elsednl AC_MSG_RESULT(no)dnl fidnl fidnl AC_DEFINE_UNQUOTED(D4_UNALIGN_OK,$D4_UNALIGN_OK)dnl Checks for library functions.AC_CHECK_FUNCS(random modf)if test "$ac_cv_func_random" != yes; then AC_CHECK_LIB(m,random)fiif test "$ac_cv_func_modf" != yes; then AC_CHECK_LIB(m,modf)fiAC_MSG_CHECKING(if random is defined in stdlib.h)AC_EGREP_HEADER(random,stdlib.h,D4_RANDOM_DEF="",D4_RANDOM_DEF=long)if test "$D4_RANDOM_DEF" = ""; then AC_MSG_RESULT(yes)else AC_MSG_RESULT(no) AC_DEFINE_UNQUOTED(D4_RANDOM_DEF,$D4_RANDOM_DEF)fidnl some miscellaneous stuffAC_PROG_MAKE_SETdnl compile debugging code by using --with-debugD4_DEBUG_FLAGS=-DNDEBUGAC_ARG_WITH(debug,[ --with-debug enable debugging code in d4],[case "$withval" in yes) D4_DEBUG_FLAGS= ;; no) : ;; *) AC_MSG_ERROR($withval makes no sense for --with-debug) ;;esac])AC_SUBST(D4_DEBUG_FLAGS)AC_OUTPUT(Makefile)
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