Hui Zhou
42038c1d4d
Move the macros that manipulate build flags together since they need be consistent.
263 linhas
7.5 KiB
Plaintext
263 linhas
7.5 KiB
Plaintext
dnl Nesting safe macros for saving variables
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dnl Usage: PAC_PUSH_FLAG(CFLAGS)
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AC_DEFUN([PAC_PUSH_FLAG],[
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if test -z "${pac_save_$1_nesting}" ; then
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pac_save_$1_nesting=0
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fi
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eval pac_save_$1_${pac_save_$1_nesting}='"$$1"'
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pac_save_$1_nesting=`expr ${pac_save_$1_nesting} + 1`
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])
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dnl Usage: PAC_POP_FLAG(CFLAGS)
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AC_DEFUN([PAC_POP_FLAG],[
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pac_save_$1_nesting=`expr ${pac_save_$1_nesting} - 1`
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eval $1="\$pac_save_$1_${pac_save_$1_nesting}"
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eval pac_save_$1_${pac_save_$1_nesting}=""
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])
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dnl Usage: PAC_PUSH_ALL_FLAGS
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AC_DEFUN([PAC_PUSH_ALL_FLAGS],[
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PAC_PUSH_FLAG(CFLAGS)
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PAC_PUSH_FLAG(CPPFLAGS)
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PAC_PUSH_FLAG(CXXFLAGS)
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PAC_PUSH_FLAG(FFLAGS)
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PAC_PUSH_FLAG(FCFLAGS)
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PAC_PUSH_FLAG(LDFLAGS)
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PAC_PUSH_FLAG(LIBS)
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])
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dnl Usage: PAC_POP_ALL_FLAGS
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AC_DEFUN([PAC_POP_ALL_FLAGS],[
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PAC_POP_FLAG(CFLAGS)
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PAC_POP_FLAG(CPPFLAGS)
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PAC_POP_FLAG(CXXFLAGS)
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PAC_POP_FLAG(FFLAGS)
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PAC_POP_FLAG(FCFLAGS)
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PAC_POP_FLAG(LDFLAGS)
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PAC_POP_FLAG(LIBS)
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])
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dnl PAC_PREFIX_FLAG - Save flag with a prefix
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dnl Usage: PAC_PREFIX_FLAG(PREFIX, FLAG)
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AC_DEFUN([PAC_PREFIX_FLAG],[
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$1_$2=$$2
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export $1_$2
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AC_SUBST($1_$2)
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])
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dnl PAC_PREFIX_ALL_FLAGS - Save flags with a prefix
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dnl Usage: PAC_PREFIX_ALL_FLAGS(PREFIX)
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AC_DEFUN([PAC_PREFIX_ALL_FLAGS],[
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PAC_PREFIX_FLAG($1, CFLAGS)
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PAC_PREFIX_FLAG($1, CPPFLAGS)
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PAC_PREFIX_FLAG($1, CXXFLAGS)
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PAC_PREFIX_FLAG($1, FFLAGS)
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PAC_PREFIX_FLAG($1, FCFLAGS)
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PAC_PREFIX_FLAG($1, LDFLAGS)
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PAC_PREFIX_FLAG($1, LIBS)
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PAC_PREFIX_FLAG($1, EXTRA_LIBS)
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])
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dnl PAC_RESET_ALL_FLAGS - Reset precious flags to those set by the user
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AC_DEFUN([PAC_RESET_ALL_FLAGS],[
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if test "$FROM_MPICH" = "yes" ; then
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CFLAGS="$USER_CFLAGS"
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CPPFLAGS="$USER_CPPFLAGS"
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CXXFLAGS="$USER_CXXFLAGS"
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FFLAGS="$USER_FFLAGS"
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FCFLAGS="$USER_FCFLAGS"
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LDFLAGS="$USER_LDFLAGS"
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LIBS="$USER_LIBS"
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fi
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])
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dnl PAC_RESET_LINK_FLAGS - Reset precious link flags to those set by the user
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AC_DEFUN([PAC_RESET_LINK_FLAGS],[
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if test "$FROM_MPICH" = "yes" ; then
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LDFLAGS="$USER_LDFLAGS"
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LIBS="$USER_LIBS"
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fi
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])
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AC_DEFUN([PAC_CHECK_FGREP_WORD],[
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AC_PROG_FGREP
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AC_MSG_CHECKING([if fgrep support -w option])
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if echo 'ab*c' | $FGREP -w -e 'ab*c' >/dev/null 2>&1 ; then
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pac_has_fgrep_word="yes"
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AC_MSG_RESULT([$pac_has_fgrep_word])
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else
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pac_has_fgrep_word="no"
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AC_MSG_RESULT([$pac_has_fgrep_word])
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AC_MSG_WARN([fgrep does not support -w option, skip flag deduplication])
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fi
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])
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AC_DEFUN([PAC_FGREP_WORD],[
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AC_REQUIRE([PAC_CHECK_FGREP_WORD])
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if test x$pac_has_fgrep_word = "xyes"; then
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AS_IF(
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[echo "$$2" | $FGREP -w -e "$1" >/dev/null 2>&1],
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[$3],
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[$4]
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)
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else
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$4
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fi
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])
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dnl Usage: PAC_APPEND_FLAG([-02], [CFLAGS])
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dnl appends the given argument to the specified shell variable unless the
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dnl argument is already present in the variable
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AC_DEFUN([PAC_APPEND_FLAG],[
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PAC_FGREP_WORD(
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[$1],
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[$2],
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[echo "$2(='$$2') contains '$1', not appending" >&AS_MESSAGE_LOG_FD],
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[echo "$2(='$$2') does not contain '$1', appending" >&AS_MESSAGE_LOG_FD
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$2="$$2 $1"]
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)
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])
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dnl Usage: PAC_PREPEND_FLAG([-lpthread], [LIBS])
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dnl Prepends the given argument to the specified shell variable unless the
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dnl argument is already present in the variable.
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dnl
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dnl This is typically used for LIBS and similar variables because libraries
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dnl should be added in reverse order.
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AC_DEFUN([PAC_PREPEND_FLAG],[
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PAC_FGREP_WORD(
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[$1],
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[$2],
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[echo "$2(='$$2') contains '$1', not prepending" >&AS_MESSAGE_LOG_FD],
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[echo "$2(='$$2') does not contain '$1', prepending" >&AS_MESSAGE_LOG_FD
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$2="$1 $$2"]
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)
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])
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dnl PAC_MKDIRS(path)
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dnl Create any missing directories in the path
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AC_DEFUN([PAC_MKDIRS],[
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# Build any intermediate directories
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for dir in $1 ; do
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PAC_PUSH_FLAG([IFS])
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IFS="/"
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tmp_curdir=""
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for tmp_subdir in $dir ; do
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tmp_curdir="${tmp_curdir}$tmp_subdir"
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if test ! -d "$tmp_curdir" ; then mkdir "$tmp_curdir" ; fi
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tmp_curdir="${tmp_curdir}/"
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done
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PAC_POP_FLAG([IFS])
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done
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])
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# Find something to use for mkdir -p. Eventually, this will have a
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# script for backup. As of autoconf-2.63, AC_PROG_MKDIR_P was broken;
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# it was checking to see if it recognized the "version" of mkdir and
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# was deciding based on that. This should always be a feature test.
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AC_DEFUN([PAC_PROG_MKDIR_P],[
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AC_CACHE_CHECK([whether mkdir -p works],
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pac_cv_mkdir_p,[
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pac_cv_mkdir_p=no
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rm -rf .tmp
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if mkdir -p .tmp/.foo 1>/dev/null 2>&1 ; then
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if test -d .tmp/.foo ; then
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pac_cv_mkdir_p=yes
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fi
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fi
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rm -rf .tmp
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])
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if test "$pac_cv_mkdir_p" = "yes" ; then
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MKDIR_P="mkdir -p"
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export MKDIR_P
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else
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AC_MSG_WARN([mkdir -p does not work; the install step may fail])
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fi
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AC_SUBST(MKDIR_P)
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])
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dnl Test for a clean VPATH directory. Provide this command with the names
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dnl of all of the generated files that might cause problems
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dnl (Makefiles won't cause problems because there's no VPATH usage for them)
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dnl
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dnl Synopsis
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dnl PAC_VPATH_CHECK([file-names],[directory-names])
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dnl file-names should be files other than config.status and any header (e.g.,
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dnl fooconf.h) file that should be removed. It is optional
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AC_DEFUN([PAC_VPATH_CHECK],[
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# This is needed for Mac OSX 10.5
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rm -rf conftest.dSYM
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rm -f conftest*
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date >conftest$$
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# If creating a file in the current directory does not show up in the srcdir
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# then we're doing a VPATH build (or something is very wrong)
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if test ! -s $srcdir/conftest$$ ; then
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pac_dirtyfiles=""
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pac_dirtydirs=""
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pac_header=""
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ifdef([AC_LIST_HEADER],[pac_header=AC_LIST_HEADER])
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for file in config.status $pac_header $1 ; do
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if test -f $srcdir/$file ; then
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pac_dirtyfiles="$pac_dirtyfiles $file"
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fi
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done
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ifelse($2,,,[
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for dir in $2 ; do
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if test -d $srcdir/$dir ; then
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pac_dirtydirs="$pac_dirtydirs $dir"
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fi
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done
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])
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if test -n "$pac_dirtyfiles" -o -n "$pac_dirtydirs" ; then
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# Create a nice message about what to remove
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rmmsg=""
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if test -n "$pac_dirtyfiles" ; then
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rmmsg="files $pac_dirtyfiles"
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fi
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if test -n "$pac_dirtydirs" ; then
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if test -n "$rmmsg" ; then
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rmmsg="$rmmsg and directories $pac_dirtydirs"
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else
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rmmsg="directories $pac_dirtydirs"
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fi
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fi
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if test -f $srcdir/Makefile ; then
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AC_MSG_ERROR([You cannot do a VPATH build if the source directory has been
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configured. Run "make distclean" in $srcdir first and make sure that the
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$rmmsg have been removed.])
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else
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AC_MSG_ERROR([You cannot do a VPATH build if the source directory has been
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configured. Remove the $rmmsg in $srcdir.])
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fi
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fi
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fi
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# This is needed for Mac OSX 10.5
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rm -rf conftest.dSYM
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rm -f conftest*
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])
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dnl PAC_CONF_HEX_TO_DEC(value,out_var)
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dnl
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dnl Converts the given hexadecimal integer constant to an integer constant and
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dnl stores the result in the shell variable given by 'out_var'.
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dnl
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dnl I think that printf like this will be sufficiently portable, but I don't
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dnl have any guarantee of it. If not, we can fall back to AS_VAR_ARITH
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dnl and/or AC_COMPUTE_INT (the latter will probably be slow)
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AC_DEFUN([PAC_CONV_HEX_TO_DEC],[AS_VAR_SET([$2],[`printf "%d" $1`])])
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dnl PAC_GET_EXENAME(exe_name, out_exe_name)
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dnl
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dnl Prepends and appends program prefix and suffix as supplied by --program_prefix
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dnl and --program-sufix
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AC_DEFUN([PAC_GET_EXENAME],[
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$2=$1
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if test "$program_prefix" != "NONE" ; then
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$2="${program_prefix}$$2"
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fi
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if test "$program_suffix" != "NONE" ; then
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$2="$$2$program_suffix"
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fi
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])
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