← Back
Editing: header-vars.am
## automake - create Makefile.in from Makefile.am ## Copyright (C) 1994-2018 Free Software Foundation, Inc. ## This program is free software; you can redistribute it and/or modify ## it under the terms of the GNU General Public License as published by ## the Free Software Foundation; either version 2, or (at your option) ## any later version. ## This program is distributed in the hope that it will be useful, ## but WITHOUT ANY WARRANTY; without even the implied warranty of ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ## GNU General Public License for more details. ## You should have received a copy of the GNU General Public License ## along with this program. If not, see <https://www.gnu.org/licenses/>. VPATH = @srcdir@ @SET_MAKE@ ## We used to define this. However, we don't because vendor makes ## (e.g., Solaris, Irix) won't correctly propagate variables that are ## defined in Makefile. This particular variable can't be correctly ## defined by configure (at least, not the current configure), so we ## simply avoid defining it to allow the user to use this feature with ## a vendor make. ## DESTDIR = ## Shell code that determines whether we are running under GNU make. ## ## Why the this needs to be so convoluted? ## ## (1) We can't unconditionally use make functions or special variables ## starting with a dot, as those cause non-GNU implmentations to ## crash hard. ## ## (2) We can't use $(MAKE_VERSION) here, as it is also defined in some ## non-GNU make implementations (e.g., FreeBSD make). But at least ## BSD make does *not* define the $(CURDIR) variable -- it uses ## $(.CURDIR) instead. ## ## (3) We can't use $(MAKEFILE_LIST) here, as in some situations it ## might cause the shell to die with "Arg list too long" (see ## automake bug#18744). ## ## (4) We can't use $(MAKE_HOST) unconditionally, as it is only ## defined in GNU make 4.0 or later. ## am__is_gnu_make = { \ if test -z '$(MAKELEVEL)'; then \ false; \ elif test -n '$(MAKE_HOST)'; then \ true; \ elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \ true; \ else \ false; \ fi; \ } ## Shell code that determines whether the current make instance is ## running with a given one-letter option (e.g., -k, -n) that takes ## no argument. am__make_running_with_option = \ case $${target_option-} in \ ?) ;; \ *) echo "am__make_running_with_option: internal error: invalid" \ "target option '$${target_option-}' specified" >&2; \ exit 1;; \ esac; \ has_opt=no; \ sane_makeflags=$$MAKEFLAGS; \ if $(am__is_gnu_make); then \ ## The format of $(MAKEFLAGS) is quite tricky with GNU make; the ## variable $(MFLAGS) behaves much better in that regard. So use it. sane_makeflags=$$MFLAGS; \ else \ ## Non-GNU make: we must rely on $(MAKEFLAGS). This is tricker and more ## brittle, but is the best we can do. case $$MAKEFLAGS in \ ## If we run "make TESTS='snooze nap'", FreeBSD make will export MAKEFLAGS ## to " TESTS=foo\ nap", so that the simpler loop below (on word-split ## $$MAKEFLAGS) would see a "make flag" equal to "nap", and would wrongly ## misinterpret that as and indication that make is running in dry mode. ## This has already happened in practice. So we need this hack. *\\[\ \ ]*) \ ## Extra indirection with ${bs} required by FreeBSD 8.x make. ## Not sure why (so sorry for the cargo-cult programming here). bs=\\; \ sane_makeflags=`printf '%s\n' "$$MAKEFLAGS" \ | sed "s/$$bs$$bs[$$bs $$bs ]*//g"`;; \ esac; \ fi; \ skip_next=no; \ strip_trailopt () \ { \ flg=`printf '%s\n' "$$flg" | sed "s/$$1.*$$//"`; \ }; \ for flg in $$sane_makeflags; do \ test $$skip_next = yes && { skip_next=no; continue; }; \ case $$flg in \ *=*|--*) continue;; \ ## ## GNU make 4.0 has changed the format of $MFLAGS, and removed the space ## between an option and its argument (e.g., from "-I dir" to "-Idir"). ## So we need to handle both formats, at least for options valid in GNU ## make. OTOH, BSD make formats $(MAKEFLAGS) by separating all options, ## and separating any option from its argument, so things are easier ## there. ## ## For GNU make and BSD make. -*I) strip_trailopt 'I'; skip_next=yes;; \ -*I?*) strip_trailopt 'I';; \ ## For GNU make >= 4.0. -*O) strip_trailopt 'O'; skip_next=yes;; \ -*O?*) strip_trailopt 'O';; \ ## For GNU make (possibly overkill, this one). -*l) strip_trailopt 'l'; skip_next=yes;; \ -*l?*) strip_trailopt 'l';; \ ## For BSD make. -[dEDm]) skip_next=yes;; \ ## For NetBSD make. -[JT]) skip_next=yes;; \ esac; \ case $$flg in \ *$$target_option*) has_opt=yes; break;; \ esac; \ done; \ test $$has_opt = yes ## Shell code that determines whether make is running in "dry mode" ## ("make -n") or not. Useful in rules that invoke make recursively, ## and are thus executed also with "make -n" -- either because they ## are declared as dependencies to '.MAKE' (NetBSD make), or because ## their recipes contain the "$(MAKE)" string (GNU and Solaris make). am__make_dryrun = (target_option=n; $(am__make_running_with_option)) ## Shell code that determines whether make is running in "keep-going mode" ## ("make -k") or not. Useful in rules that must recursively descend into ## subdirectories, and decide whether to stop at the first error or not. am__make_keepgoing = (target_option=k; $(am__make_running_with_option)) ## Some derived variables that have been found to be useful. pkgdatadir = $(datadir)/@PACKAGE@ pkgincludedir = $(includedir)/@PACKAGE@ pkglibdir = $(libdir)/@PACKAGE@ pkglibexecdir = $(libexecdir)/@PACKAGE@ am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd install_sh_DATA = $(install_sh) -c -m 644 install_sh_PROGRAM = $(install_sh) -c install_sh_SCRIPT = $(install_sh) -c INSTALL_HEADER = $(INSTALL_DATA) transform = $(program_transform_name) ## These are defined because otherwise make on NetBSD V1.1 will print ## (eg): $(NORMAL_INSTALL) expands to empty string. NORMAL_INSTALL = : PRE_INSTALL = : POST_INSTALL = : NORMAL_UNINSTALL = : PRE_UNINSTALL = : POST_UNINSTALL = : ## dejagnu.am uses these variables. Some users might rely on them too. ?BUILD?build_triplet = @build@ ?HOST?host_triplet = @host@ ?TARGET?target_triplet = @target@
Save File
Cancel