Setup constant generation infrastructure

[ganeti-local] / Makefile.am

diff --git a/Makefile.am b/Makefile.am
index 4dc6a7b..3e40ded 100644 (file)
--- a/Makefile.am
+++ b/Makefile.am
@@ -240,6 +240,7 @@ CLEANFILES = \
        src/ganeti-confd \
        src/ganeti-luxid \
        src/ganeti-mond \
+       src/hs2py-constants \
        .hpc/*.mix src/*.tix test/hs/*.tix \
        doc/hs-lint.html
 
@@ -266,6 +267,7 @@ built_base_sources = \
 
 built_python_base_sources = \
        lib/_autoconf.py \
+       lib/_constants.py \
        lib/_vcsversion.py \
        lib/opcodes.py
 
@@ -549,7 +551,7 @@ HS_ALL_PROGS = \
        test/hs/htest \
        $(HS_COMPILE_PROGS)
 
-HS_PROG_SRCS = $(patsubst %,%.hs,$(HS_ALL_PROGS))
+HS_PROG_SRCS = $(patsubst %,%.hs,$(HS_ALL_PROGS)) src/hs2py-constants.hs
 HS_BUILT_TEST_HELPERS = $(HS_BIN_ROLES:%=test/hs/%) test/hs/hail
 
 HFLAGS = \
@@ -586,6 +588,7 @@ HS_LIB_SRCS = \
        src/Ganeti/Confd/Utils.hs \
        src/Ganeti/Config.hs \
        src/Ganeti/ConfigReader.hs \
+       src/Ganeti/Constants.hs \
        src/Ganeti/Cpu/LoadParser.hs \
        src/Ganeti/Cpu/Types.hs \
        src/Ganeti/Curl/Multi.hs \
@@ -633,6 +636,7 @@ HS_LIB_SRCS = \
        src/Ganeti/Hs2Py/GenConstants.hs \
        src/Ganeti/Hs2Py/GenOpCodes.hs \
        src/Ganeti/Hs2Py/OpDoc.hs \
+       src/Ganeti/HsConstants.hs \
        src/Ganeti/JQueue.hs \
        src/Ganeti/JSON.hs \
        src/Ganeti/Jobs.hs \
@@ -721,12 +725,14 @@ HS_LIBTEST_SRCS = $(HS_LIB_SRCS) $(HS_TEST_SRCS)
 
 HS_BUILT_SRCS = \
        test/hs/Test/Ganeti/TestImports.hs \
-       src/Ganeti/Constants.hs \
+       src/Ganeti/Hs2Py/ListConstants.hs \
+       src/Ganeti/PyConstants.hs \
        src/Ganeti/Curl/Internal.hs \
        src/Ganeti/Version.hs
 HS_BUILT_SRCS_IN = \
        $(patsubst %,%.in,$(filter-out src/Ganeti/Curl/Internal.hs,$(HS_BUILT_SRCS))) \
        src/Ganeti/Curl/Internal.hsc \
+       lib/_constants.py.in \
        lib/opcodes.py.in_after \
        lib/opcodes.py.in_before
 
@@ -894,6 +900,22 @@ install-exec-hook:
        done
 endif
 
+# This target cannot be merged with the '$(HS_ALL_PROGS)' target
+# because 'hs2py-constants' cannot depend on 'Ganeti.Constants'.  And
+# the reason for this is because 'hs2py-constants' needs to generate
+# Python code, and 'Ganeti.Constants' is generated by Python.
+src/hs2py-constants: src/hs2py-constants.hs src/Ganeti/BasicTypes.hs \
+                    src/Ganeti/JSON.hs src/Ganeti/THH.hs \
+                    src/Ganeti/Hs2Py/GenConstants.hs \
+                    src/Ganeti/Hs2Py/ListConstants.hs \
+                    src/Ganeti/HsConstants.hs \
+                    src/Ganeti/PyValueInstances.hs \
+                  | stamp-srclinks
+       $(GHC) --make \
+         $(HFLAGS) \
+         -osuf $(notdir $@).o -hisuf $(notdir $@).hi \
+         $(HEXTRA) $(HEXTRA_INT) src/hs2py-constants.hs
+
 $(HS_ALL_PROGS): %: %.hs $(HS_LIBTESTBUILT_SRCS) Makefile
        @if [ "$(notdir $@)" = "test" ] && [ "$(HS_NODEV)" ]; then \
          echo "Error: cannot run unittests without the development" \
@@ -1610,7 +1632,24 @@ src/Ganeti/Version.hs: src/Ganeti/Version.hs.in \
        VCSVER=`cat $(abs_top_srcdir)/vcs-version`; \
        sed -e "s/%ver%/$$VCSVER/" < $< > $@
 
-src/Ganeti/Constants.hs: src/Ganeti/Constants.hs.in \
+src/Ganeti/Hs2Py/ListConstants.hs: src/Ganeti/Hs2Py/ListConstants.hs.in \
+                                  src/Ganeti/HsConstants.hs \
+                                | stamp-directories
+       @echo Generating $@
+       @set -e; \
+## Extract constant names from 'HsConstants.hs' by extracting the left
+## side of all lines containing an equal sign (i.e., '=') and
+## prepending the apostrophe sign (i.e., "'").
+##
+## For example, the constant
+##   adminstDown = ...
+## becomes
+##   'adminstDown
+       NAMES=$$(sed -n -e "/=/ s/\(.*\) =.*/    '\1:/g p" \
+                $(abs_top_srcdir)/src/Ganeti/HsConstants.hs); \
+       m4 -DPY_CONSTANT_NAMES="$$NAMES" $(abs_top_srcdir)/$< > $@
+
+src/Ganeti/PyConstants.hs: src/Ganeti/PyConstants.hs.in \
        lib/constants.py lib/_autoconf.py lib/luxi.py lib/errors.py \
        lib/jstore.py $(RUN_IN_TEMPDIR) \
        $(CONVERT_CONSTANTS) $(built_base_sources) \
@@ -1715,6 +1754,13 @@ lib/_autoconf.py: Makefile | stamp-directories
          echo "}"; \
        } > $@
 
+lib/_constants.py: Makefile lib/_constants.py.in src/hs2py-constants \
+                | stamp-directories
+       cat $(abs_top_srcdir)/lib/_constants.py.in > $@
+       src/hs2py-constants >> $@
+
+lib/constants.py: lib/_constants.py
+
 lib/_vcsversion.py: Makefile vcs-version | stamp-directories
        set -e; \
        VCSVER=`cat $(abs_top_srcdir)/vcs-version`; \
@@ -1736,7 +1782,7 @@ lib/_vcsversion.py: Makefile vcs-version | stamp-directories
          echo "VCS_VERSION = '$$VCSVER'"; \
        } > $@
 
-lib/opcodes.py: Makefile src/hs2py src/Ganeti/Constants.hs \
+lib/opcodes.py: Makefile src/hs2py src/Ganeti/PyConstants.hs \
                lib/opcodes.py.in_before lib/opcodes.py.in_after \
                | stamp-directories
        cat $(abs_top_srcdir)/lib/opcodes.py.in_before > $@