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authorDamjan Marion <damarion@cisco.com>2016-12-28 17:51:56 +0100
committerDave Barach <openvpp@barachs.net>2017-01-03 15:14:49 +0000
commit0be5ec304d2d4cfc6faecbb519ef165d9ab5d34e (patch)
tree385572e3c10c18a8a4fc347216946c52805a978f /src/vppapigen.am
parent78c3ba4fcfb06b8656a24817e183492c6a4fb2b8 (diff)
Do not require external vppapigen when not cross-compiling
Change-Id: I80b8348ed4efd53d292c37a1ff69c13ee4741986 Signed-off-by: Damjan Marion <damarion@cisco.com>
Diffstat (limited to 'src/vppapigen.am')
-rw-r--r--src/vppapigen.am9
1 files changed, 6 insertions, 3 deletions
diff --git a/src/vppapigen.am b/src/vppapigen.am
index edde339d451..3207c83a325 100644
--- a/src/vppapigen.am
+++ b/src/vppapigen.am
@@ -13,14 +13,17 @@
bin_PROGRAMS += vppapigen
-BUILT_SOURCES += tools/vppapigen/gram.h
+# We cannot rely on BUILT_SOURCES here as other built sources are relying
+# on vppapigen, so make can start compiling lex.c before gram.h is created.
+# This way we introduce new dependency by running C preprocessor.
-tools/vppapigen/gram.h: tools/vppapigen/gram.y
+tools/vppapigen/lex_e.c: tools/vppapigen/lex.c tools/vppapigen/gram.y
@$(YACC) -d @srcdir@/tools/vppapigen/gram.y
@mv y.tab.h tools/vppapigen/gram.h
@rm y.tab.c
+ @$(CC) -I. -E -o $@ $<
-vppapigen_SOURCES = tools/vppapigen/gram.y tools/vppapigen/lex.c tools/vppapigen/node.c
+vppapigen_SOURCES = tools/vppapigen/gram.y tools/vppapigen/lex_e.c tools/vppapigen/node.c
vppapigen_LDADD = libvppinfra.la
vppapigen_LDFLAGS = -static