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| author | Alexey Samsonov <samsonov@google.com> | 2013-04-23 08:28:39 +0000 |
|---|---|---|
| committer | Alexey Samsonov <samsonov@google.com> | 2013-04-23 08:28:39 +0000 |
| commit | ee03c949b85036b68c261dcc27dca064ee7e525d (patch) | |
| tree | 14f060f70c0c6e5346a0f120c196f6718b060cd4 /autoconf | |
| parent | a8958769ea5583d58ae51931d8b1271c23fd20ea (diff) | |
| download | external_llvm-ee03c949b85036b68c261dcc27dca064ee7e525d.zip external_llvm-ee03c949b85036b68c261dcc27dca064ee7e525d.tar.gz external_llvm-ee03c949b85036b68c261dcc27dca064ee7e525d.tar.bz2 | |
Add basic zlib support to LLVM. This would allow to use compression/uncompression in selected LLVM tools.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180083 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'autoconf')
| -rw-r--r-- | autoconf/configure.ac | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/autoconf/configure.ac b/autoconf/configure.ac index bfad23c..9c116f7 100644 --- a/autoconf/configure.ac +++ b/autoconf/configure.ac @@ -708,6 +708,21 @@ case "$enableval" in *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;; esac +dnl Allow disablement of zlib +AC_ARG_ENABLE(zlib, + AS_HELP_STRING([--enable-zlib], + [Use zlib for compression/decompression if + available (default is YES)]),, + enableval=default) +case "$enableval" in + yes) AC_SUBST(LLVM_ENABLE_ZLIB,[1]) ;; + no) AC_SUBST(LLVM_ENABLE_ZLIB,[0]) ;; + default) AC_SUBST(LLVM_ENABLE_ZLIB,[1]) ;; + *) AC_MSG_ERROR([Invalid setting for --enable-zlib. Use "yes" or "no"]) ;; +esac +AC_DEFINE_UNQUOTED([LLVM_ENABLE_ZLIB],$LLVM_ENABLE_ZLIB, + [Define if zlib is enabled]) + dnl Allow building without position independent code AC_ARG_ENABLE(pic, AS_HELP_STRING([--enable-pic], @@ -1368,6 +1383,11 @@ if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then [Have pthread_getspecific])) fi +dnl zlib is optional; used for compression/uncompression +if test "$LLVM_ENABLE_ZLIB" -eq 1 ; then + AC_CHECK_LIB(z, compress2) +fi + dnl Allow extra x86-disassembler library AC_ARG_WITH(udis86, AS_HELP_STRING([--with-udis86=<path>], @@ -1502,6 +1522,13 @@ if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then else AC_SUBST(HAVE_PTHREAD, 0) fi +if test "$LLVM_ENABLE_ZLIB" -eq 1 ; then + AC_CHECK_HEADERS(zlib.h, + AC_SUBST(HAVE_LIBZ, 1), + AC_SUBST(HAVE_LIBZ, 0)) +else + AC_SUBST(HAVE_LIBZ, 0) +fi dnl Try to find ffi.h. if test "$llvm_cv_enable_libffi" = "yes" ; then |