AC_TRY_COMPILE([],
[
#ifndef __INTEL_COMPILER
- #error Not icc
+ This is not ICC
#endif
],
bakefile_cv_prog_icc=yes,
[
#if (__GNUC__ < 3) || \
((__GNUC__ == 3) && (__GNUC_MINOR__ < 1))
- #error old gcc
+ This is old gcc
#endif
],
[
;;
*)
- AC_MSG_ERROR(unknown system type $BAKEFILE_HOST.)
+ dnl wxWidgets specific: allow unknown unix systems
+ dnl AC_MSG_ERROR(unknown system type $BAKEFILE_HOST.)
esac
if test "x$PIC_FLAG" != "x" ; then
AC_DEFUN([AC_BAKEFILE_DEPS],
[
+ AC_ARG_ENABLE([dependency-tracking],
+ AS_HELP_STRING([--disable-dependency-tracking],
+ [don't use dependency tracking even if the compiler can]),
+ [bk_use_trackdeps="$enableval"])
+
AC_MSG_CHECKING([for dependency tracking method])
- DEPS_TRACKING=1
- if test "x$GCC" = "xyes"; then
- DEPSMODE=gcc
- case "${BAKEFILE_HOST}" in
- *-*-darwin* )
- dnl -cpp-precomp (the default) conflicts with -MMD option
- dnl used by bk-deps (see also http://developer.apple.com/documentation/Darwin/Conceptual/PortingUnix/compiling/chapter_4_section_3.html)
- DEPSFLAG="-no-cpp-precomp -MMD"
- ;;
- * )
- DEPSFLAG="-MMD"
- ;;
- esac
- AC_MSG_RESULT([gcc])
- elif test "x$MWCC" = "xyes"; then
- DEPSMODE=mwcc
- DEPSFLAG="-MM"
- AC_MSG_RESULT([mwcc])
- elif test "x$SUNCC" = "xyes"; then
- DEPSMODE=unixcc
- DEPSFLAG="-xM1"
- AC_MSG_RESULT([Sun cc])
- elif test "x$SGICC" = "xyes"; then
- DEPSMODE=unixcc
- DEPSFLAG="-M"
- AC_MSG_RESULT([SGI cc])
- elif test "x$HPCC" = "xyes"; then
- DEPSMODE=unixcc
- DEPSFLAG="+make"
- AC_MSG_RESULT([HP cc])
- elif test "x$COMPAQCC" = "xyes"; then
- DEPSMODE=gcc
- DEPSFLAG="-MD"
- AC_MSG_RESULT([Compaq cc])
- else
+ if test "x$bk_use_trackdeps" = "xno" ; then
DEPS_TRACKING=0
- AC_MSG_RESULT([none])
- fi
+ AC_MSG_RESULT([disabled])
+ else
+ DEPS_TRACKING=1
+
+ if test "x$GCC" = "xyes"; then
+ DEPSMODE=gcc
+ case "${BAKEFILE_HOST}" in
+ *-*-darwin* )
+ dnl -cpp-precomp (the default) conflicts with -MMD option
+ dnl used by bk-deps (see also http://developer.apple.com/documentation/Darwin/Conceptual/PortingUnix/compiling/chapter_4_section_3.html)
+ DEPSFLAG="-no-cpp-precomp -MMD"
+ ;;
+ * )
+ DEPSFLAG="-MMD"
+ ;;
+ esac
+ AC_MSG_RESULT([gcc])
+ elif test "x$MWCC" = "xyes"; then
+ DEPSMODE=mwcc
+ DEPSFLAG="-MM"
+ AC_MSG_RESULT([mwcc])
+ elif test "x$SUNCC" = "xyes"; then
+ DEPSMODE=unixcc
+ DEPSFLAG="-xM1"
+ AC_MSG_RESULT([Sun cc])
+ elif test "x$SGICC" = "xyes"; then
+ DEPSMODE=unixcc
+ DEPSFLAG="-M"
+ AC_MSG_RESULT([SGI cc])
+ elif test "x$HPCC" = "xyes"; then
+ DEPSMODE=unixcc
+ DEPSFLAG="+make"
+ AC_MSG_RESULT([HP cc])
+ elif test "x$COMPAQCC" = "xyes"; then
+ DEPSMODE=gcc
+ DEPSFLAG="-MD"
+ AC_MSG_RESULT([Compaq cc])
+ else
+ DEPS_TRACKING=0
+ AC_MSG_RESULT([none])
+ fi
- if test $DEPS_TRACKING = 1 ; then
- AC_BAKEFILE_CREATE_FILE_BK_DEPS
- chmod +x bk-deps
+ if test $DEPS_TRACKING = 1 ; then
+ AC_BAKEFILE_CREATE_FILE_BK_DEPS
+ chmod +x bk-deps
+ fi
fi
AC_SUBST(DEPS_TRACKING)
[bk_use_pch="$enableval"])
GCC_PCH=0
+ ICC_PCH=0
+ USE_PCH=0
case ${BAKEFILE_HOST} in
*-*-cygwin* )
AC_TRY_COMPILE([],
[
#if !defined(__GNUC__) || !defined(__GNUC_MINOR__)
- #error "no pch support"
+ There is no PCH support
#endif
#if (__GNUC__ < 3)
- #error "no pch support"
+ There is no PCH support
#endif
#if (__GNUC__ == 3) && \
((!defined(__APPLE_CC__) && (__GNUC_MINOR__ < 4)) || \
- ( defined(__APPLE_CC__) && (__GNUC_MINOR__ < 3)))
- #error "no pch support"
+ ( defined(__APPLE_CC__) && (__GNUC_MINOR__ < 3))) || \
+ ( defined(__INTEL_COMPILER) )
+ There is no PCH support
#endif
],
[
GCC_PCH=1
],
[
- AC_MSG_RESULT([no])
+ AC_TRY_COMPILE([],
+ [
+ #if !defined(__INTEL_COMPILER) || \
+ (__INTEL_COMPILER < 800)
+ There is no PCH support
+ #endif
+ ],
+ [
+ AC_MSG_RESULT([yes])
+ ICC_PCH=1
+ ],
+ [
+ AC_MSG_RESULT([no])
+ ])
])
- if test $GCC_PCH = 1 ; then
+ if test $GCC_PCH = 1 -o $ICC_PCH = 1 ; then
+ USE_PCH=1
AC_BAKEFILE_CREATE_FILE_BK_MAKE_PCH
chmod +x bk-make-pch
fi
fi
AC_SUBST(GCC_PCH)
+ AC_SUBST(ICC_PCH)
])
AC_PREREQ(2.58)
if test "x$BAKEFILE_HOST" = "x"; then
+ if test "x${host}" = "x" ; then
+ AC_MSG_ERROR([You must call the autoconf "CANONICAL_HOST" macro in your configure.ac (or .in) file.])
+ fi
+
BAKEFILE_HOST="${host}"
fi
AC_BAKEFILE_DEPS
AC_BAKEFILE_RES_COMPILERS
- BAKEFILE_BAKEFILE_M4_VERSION="0.1.9"
+ BAKEFILE_BAKEFILE_M4_VERSION="0.2.0"
dnl includes autoconf_inc.m4:
$1
shift
shift
-compiler=
-headerfile=
+compiler=""
+headerfile=""
+
while test ${D}{#} -gt 0; do
+ add_to_cmdline=1
case "${D}{1}" in
-I* )
incdir=\`echo ${D}{1} | sed -e 's/-I\\(.*\\)/\\1/g'\`
headerfile="${D}{incdir}/${D}{header}"
fi
;;
+ -use-pch|-use_pch )
+ shift
+ add_to_cmdline=0
+ ;;
esac
- compiler="${D}{compiler} ${D}{1}"
+ if test ${D}add_to_cmdline = 1 ; then
+ compiler="${D}{compiler} ${D}{1}"
+ fi
shift
done
if test "x${D}{headerfile}" = "x" ; then
- echo "error: can't find header ${D}{header} in include paths" >2
+ echo "error: can't find header ${D}{header} in include paths" >&2
else
if test -f ${D}{outfile} ; then
rm -f ${D}{outfile}
fi
depsfile=".deps/\`echo ${D}{outfile} | tr '/.' '__'\`.d"
mkdir -p .deps
- # can do this because gcc is >= 3.4:
- ${D}{compiler} -o ${D}{outfile} -MMD -MF "${D}{depsfile}" "${D}{headerfile}"
+ if test "x${GCC_PCH}" = "x1" ; then
+ # can do this because gcc is >= 3.4:
+ ${D}{compiler} -o ${D}{outfile} -MMD -MF "${D}{depsfile}" "${D}{headerfile}"
+ elif test "x${ICC_PCH}" = "x1" ; then
+ filename=pch_gen-${D}${D}
+ file=${D}{filename}.c
+ dfile=${D}{filename}.d
+ cat > ${D}file <<EOT
+#include "${D}header"
+EOT
+ # using -MF icc complains about differing command lines in creation/use
+ ${D}compiler -c -create_pch ${D}outfile -MMD ${D}file && \\
+ sed -e "s,^.*:,${D}outfile:," -e "s, ${D}file,," < ${D}dfile > ${D}depsfile && \\
+ rm -f ${D}file ${D}dfile ${D}{filename}.o
+ fi
exit ${D}{?}
fi
EOF