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Overview
Comment:Update the autoconf configure.ac script and Makefile.am templates so that ZLIB is automatically detected and used.
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SHA3-256: 41bfb6b8d61699d09a7e67d2289149abfbb9ce8e75e6ff8560546cad0d2e3f2b
User & Date: drh 2018-01-18 17:09:26.634
Context
2018-01-18
17:46
Check for both zlib.h and -lz before enabling zlib support in the amalgamation configure script. (check-in: 8ecd13a1b3 user: dan tags: trunk)
17:09
Update the autoconf configure.ac script and Makefile.am templates so that ZLIB is automatically detected and used. (check-in: 41bfb6b8d6 user: drh tags: trunk)
16:59
Fix sessions module handling of sqlite_stat1 rows with (idx IS NULL). (check-in: 0e91641633 user: dan tags: trunk)
Changes
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Changes to autoconf/Makefile.am. 
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AM_CFLAGS = @THREADSAFE_FLAGS@ @DYNAMIC_EXTENSION_FLAGS@ @FTS5_FLAGS@ @JSON1_FLAGS@ @SESSION_FLAGS@ -DSQLITE_ENABLE_FTS3 -DSQLITE_ENABLE_RTREE
AM_CFLAGS = @THREADSAFE_FLAGS@ @DYNAMIC_EXTENSION_FLAGS@ @FTS5_FLAGS@ @JSON1_FLAGS@ @ZLIB_FLAGS@ @SESSION_FLAGS@ -DSQLITE_ENABLE_FTS3 -DSQLITE_ENABLE_RTREE

lib_LTLIBRARIES = libsqlite3.la
libsqlite3_la_SOURCES = sqlite3.c
libsqlite3_la_LDFLAGS = -no-undefined -version-info 8:6:8

bin_PROGRAMS = sqlite3
sqlite3_SOURCES = shell.c sqlite3.h
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Changes to autoconf/configure.ac.
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else
  EXTRA_SHELL_OBJ=libsqlite3.la
fi
AC_SUBST(EXTRA_SHELL_OBJ)
#-----------------------------------------------------------------------

AC_CHECK_FUNCS(posix_fallocate)
AC_CHECK_HEADERS(zlib.h)
AC_SEARCH_LIBS(deflate,z,[ZLIB_FLAGS="-DSQLITE_HAVE_ZLIB"])
AC_SUBST(ZLIB_FLAGS)

#-----------------------------------------------------------------------
# UPDATE: Maybe it's better if users just set CFLAGS before invoking
# configure. This option doesn't really add much...
#
#   --enable-tempstore
#
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