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Fix generation of bison output for out-of-source builds.

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Make sure the #line directives contain existing source file  sql_yacc.yy.
Before the patch #line directive would point out to non-existing path in
current build directory.
This commit is contained in:
Vladislav Vaintroub 2021-09-08 22:01:45 +02:00
commit 115fec58f1
3 changed files with 5 additions and 3 deletions
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13
sql/myskel.m4.in Normal file
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@ -0,0 +1,13 @@
#
# fix the #line directives in the generated .cc files
# to refer to the original sql_yacc.yy
#
m4_define([b4_syncline],
[b4_sync_start([$1], m4_bpatsubst([$2],[@CMAKE_CURRENT_BINARY_DIR@/yy_[a-z]+\.yy],@CMAKE_CURRENT_SOURCE_DIR@/sql_yacc.yy))[]dnl
])
# try both paths for different bison versions
m4_sinclude(skeletons/c-skel.m4)
m4_sinclude(c-skel.m4)