projects / bison.git / blame
| Commit | Line | Data |
|---|---|---|
| d074a105 AD |
1 | # Having a separate GNUmakefile lets me `include' the dynamically |
| 2 | # generated rules created via Makefile.maint as well as Makefile.maint itself. | |
| 3 | # This makefile is used only if you run GNU Make. | |
| 4 | # It is necessary if you want to build targets usually of interest | |
| 5 | # only to the maintainer. | |
| 6 | ||
| 7 | # Systems where /bin/sh is not the default shell need this. The $(shell) | |
| 8 | # command below won't work with e.g. stock DOS/Windows shells. | |
| 9 | SHELL = /bin/sh | |
| 10 | ||
| 11 | have-Makefile := $(shell test -f Makefile && echo yes) | |
| 12 | ||
| 13 | # If the user runs GNU make but has not yet run ./configure, | |
| 14 | # give them a diagnostic. | |
| 15 | ifeq ($(have-Makefile),yes) | |
| 16 | ||
| 17 | include Makefile | |
| 18 | include $(srcdir)/Makefile.maint | |
| 19 | ||
| 20 | else | |
| 21 | ||
| 22 | all: | |
| 23 | @echo There seems to be no Makefile in this directory. | |
| 24 | @echo "You must run ./configure before running \`make'." | |
| 25 | @exit 1 | |
| 26 | ||
| 27 | endif | |
| 28 | ||
| 29 | # Tell version 3.79 and up of GNU make to not build goals in this | |
| 30 | # directory in parallel. This is necessary in case someone tries to | |
| 31 | # build multiple targets on one command line. | |
| 32 | .NOTPARALLEL: |