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Overview
Comment:Add the ability to specify an alternative compiler (clang instead of gcc) on the default Makefile. Use this in releasetest.tcl to implement an -fsanitize=undefined test.
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SHA1: c55c05fe22b9ddb61de55d473a411a11090d3d68
User & Date: drh 2015-01-01 19:53:10
Context
2015-01-01
23:02
Add logic to releasetest.tcl that detects -fsanitize=undefined errors. Fix a few false-positivies that come up when running the sanitize=undefined test. check-in: 2835e79a user: drh tags: trunk
19:53
Add the ability to specify an alternative compiler (clang instead of gcc) on the default Makefile. Use this in releasetest.tcl to implement an -fsanitize=undefined test. check-in: c55c05fe user: drh tags: trunk
19:11
Enhance the "lemon" executable so that it ignores -f, -W, -O, and -I command-line options. This permits most of the same options that are passed to the compiler to also be harmlessly passed to lemon, and thus simplifies makefiles. check-in: da408d12 user: drh tags: trunk
Changes
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Changes to Makefile.in. 

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TOP = @srcdir@

# C Compiler and options for use in building executables that
# will run on the platform that is doing the build.
#
BCC = @BUILD_CC@ @BUILD_CFLAGS@

# C Compile and options for use in building executables that 
# will run on the target platform.  (BCC and TCC are usually the
# same unless your are cross-compiling.)


#


TCC = @CC@ @CPPFLAGS@ @CFLAGS@ -I. -I${TOP}/src -I${TOP}/ext/rtree

# Define this for the autoconf-based build, so that the code knows it can
# include the generated config.h
# 
TCC += -D_HAVE_SQLITE_CONFIG_H -DBUILD_sqlite

# Define -DNDEBUG to compile without debugging (i.e., for production usage)








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TOP = @srcdir@

# C Compiler and options for use in building executables that
# will run on the platform that is doing the build.
#
BCC = @BUILD_CC@ @BUILD_CFLAGS@

# TCC is the C Compile and options for use in building executables that 
# will run on the target platform.  (BCC and TCC are usually the
# same unless your are cross-compiling.)  Separate CC and CFLAGS macros
# are provide so that these aspects of the build process can be changed
# on the "make" command-line.  Ex:  "make CC=clang CFLAGS=-fsanitize=undefined"
#
CC = @CC@
CFLAGS = @CPPFLAGS@ @CFLAGS@
TCC = $(CC) $(CFLAGS) -I. -I${TOP}/src -I${TOP}/ext/rtree

# Define this for the autoconf-based build, so that the code knows it can
# include the generated config.h
# 
TCC += -D_HAVE_SQLITE_CONFIG_H -DBUILD_sqlite

# Define -DNDEBUG to compile without debugging (i.e., for production usage)

Changes to test/releasetest.tcl. 

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array set ::Configs {
  "Default" {
    -O2
  }
  "Ftrapv" {
    -O2 -ftrapv
    -DSQLITE_MAX_ATTACHED=55





    -DSQLITE_TCL_DEFAULT_FULLMUTEX=1
  }
  "Unlock-Notify" {
    -O2
    -DSQLITE_ENABLE_UNLOCK_NOTIFY
    -DSQLITE_THREADSAFE
    -DSQLITE_TCL_DEFAULT_FULLMUTEX=1
................................................................................
    -DSQLITE_THREADSAFE=2
  }
  "Locking-Style" {
    -O2
    -DSQLITE_ENABLE_LOCKING_STYLE=1
  }
  "OS-X" {

    -DSQLITE_OMIT_LOAD_EXTENSION=1
    -DSQLITE_DEFAULT_MEMSTATUS=0
    -DSQLITE_THREADSAFE=2
    -DSQLITE_OS_UNIX=1
    -DSQLITE_ENABLE_LOCKING_STYLE=1
    -DUSE_PREAD=1
    -DSQLITE_ENABLE_RTREE=1
................................................................................
    "Debug-One"               "mptest test"
    "Secure-Delete"           test
    "Unlock-Notify"           "QUICKTEST_INCLUDE=notify2.test test"
    "Update-Delete-Limit"     test
    "Extra-Robustness"        test
    "Device-Two"              test
    "Ftrapv"                  test

    "No-lookaside"            test
    "Devkit"                  test
    "Default"                 "threadtest fulltest"
    "Device-One"              fulltest
  }
  Linux-i686 {
    "Devkit"                  test
................................................................................
  # Tcl variable $opts is used to build up the value used to set the
  # OPTS Makefile variable. Variable $cflags holds the value for
  # CFLAGS. The makefile will pass OPTS to both gcc and lemon, but
  # CFLAGS is only passed to gcc.
  #
  set cflags "-g"
  set opts ""

  foreach arg $config {
    if {[string match -D* $arg]} {
      lappend opts $arg


    } else {
      lappend cflags $arg
    }
  }

  set cflags [join $cflags " "]
  set opts   [join $opts " "]








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array set ::Configs {
  "Default" {
    -O2
  }
  "Ftrapv" {
    -O2 -ftrapv
    -DSQLITE_MAX_ATTACHED=125
    -DSQLITE_TCL_DEFAULT_FULLMUTEX=1
  }
  "Clang-Sanitize" {
    CC=clang -fsanitize=undefined
    -DSQLITE_MAX_ATTACHED=125
    -DSQLITE_TCL_DEFAULT_FULLMUTEX=1
  }
  "Unlock-Notify" {
    -O2
    -DSQLITE_ENABLE_UNLOCK_NOTIFY
    -DSQLITE_THREADSAFE
    -DSQLITE_TCL_DEFAULT_FULLMUTEX=1
................................................................................
    -DSQLITE_THREADSAFE=2
  }
  "Locking-Style" {
    -O2
    -DSQLITE_ENABLE_LOCKING_STYLE=1
  }
  "OS-X" {
    -O1   # Avoid a compiler bug in gcc 4.2.1 build 5658
    -DSQLITE_OMIT_LOAD_EXTENSION=1
    -DSQLITE_DEFAULT_MEMSTATUS=0
    -DSQLITE_THREADSAFE=2
    -DSQLITE_OS_UNIX=1
    -DSQLITE_ENABLE_LOCKING_STYLE=1
    -DUSE_PREAD=1
    -DSQLITE_ENABLE_RTREE=1
................................................................................
    "Debug-One"               "mptest test"
    "Secure-Delete"           test
    "Unlock-Notify"           "QUICKTEST_INCLUDE=notify2.test test"
    "Update-Delete-Limit"     test
    "Extra-Robustness"        test
    "Device-Two"              test
    "Ftrapv"                  test
    "Clang-Sanitize"          test
    "No-lookaside"            test
    "Devkit"                  test
    "Default"                 "threadtest fulltest"
    "Device-One"              fulltest
  }
  Linux-i686 {
    "Devkit"                  test
................................................................................
  # Tcl variable $opts is used to build up the value used to set the
  # OPTS Makefile variable. Variable $cflags holds the value for
  # CFLAGS. The makefile will pass OPTS to both gcc and lemon, but
  # CFLAGS is only passed to gcc.
  #
  set cflags "-g"
  set opts ""
  regsub -all {#[^\n]*\n} $config \n config
  foreach arg $config {
    if {[string match -D* $arg]} {
      lappend opts $arg
    } elseif {[string match CC=* $arg]} {
      lappend testtarget $arg
    } else {
      lappend cflags $arg
    }
  }

  set cflags [join $cflags " "]
  set opts   [join $opts " "]

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