From 1b82432a8377e1fbfac3b3e48a1000f49338513a Mon Sep 17 00:00:00 2001 From: John Criswell Date: Mon, 15 Sep 2003 17:19:42 +0000 Subject: [PATCH] Modified the checks slightly so that one can re-configure LLVM without having to do a "make distclean" when building in the source directory. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8540 91177308-0d34-0410-b5e6-96231b3b80d8 --- autoconf/configure.ac | 9 ++++-- configure | 64 ++++++++++++++++++++++--------------------- 2 files changed, 39 insertions(+), 34 deletions(-) diff --git a/autoconf/configure.ac b/autoconf/configure.ac index 787c0d7d59c..4ec23cabe08 100644 --- a/autoconf/configure.ac +++ b/autoconf/configure.ac @@ -21,12 +21,15 @@ dnl Place all of the extra autoconf files into the config subdirectory AC_CONFIG_AUX_DIR([autoconf]) dnl Quit if the source directory has already been configured. -if test -f ${srcdir}/include/Config/config.h +dnl NOTE: This relies upon undocumented autoconf behavior. +if test ${srcdir} != "." then - AC_MSG_ERROR([Already configured in ${srcdir}]) + if test -f ${srcdir}/include/Config/config.h + then + AC_MSG_ERROR([Already configured in ${srcdir}]) + fi fi - dnl Configure a header file AC_CONFIG_HEADERS(include/Config/config.h) AC_CONFIG_MAKEFILE(Makefile) diff --git a/configure b/configure index 50bbff2c0a7..c2c37c4127f 100755 --- a/configure +++ b/configure @@ -1509,14 +1509,16 @@ ac_config_sub="$SHELL $ac_aux_dir/config.sub" ac_configure="$SHELL $ac_aux_dir/configure" # This should be Cygnus configure. -if test -f ${srcdir}/include/Config/config.h +if test ${srcdir} != "." then - { { echo "$as_me:$LINENO: error: Already configured in ${srcdir}" >&5 + if test -f ${srcdir}/include/Config/config.h + then + { { echo "$as_me:$LINENO: error: Already configured in ${srcdir}" >&5 echo "$as_me: error: Already configured in ${srcdir}" >&2;} { (exit 1); exit 1; }; } + fi fi - ac_config_headers="$ac_config_headers include/Config/config.h" ac_config_commands="$ac_config_commands Makefile" @@ -4394,7 +4396,7 @@ ia64-*-hpux*) ;; *-*-irix6*) # Find out which ABI we are using. - echo '#line 4397 "configure"' > conftest.$ac_ext + echo '#line 4399 "configure"' > conftest.$ac_ext if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 (eval $ac_compile) 2>&5 ac_status=$? @@ -5235,7 +5237,7 @@ fi # Provide some information about the compiler. -echo "$as_me:5238:" \ +echo "$as_me:5240:" \ "checking for Fortran 77 compiler version" >&5 ac_compiler=`set X $ac_compile; echo $2` { (eval echo "$as_me:$LINENO: \"$ac_compiler --version &5\"") >&5 @@ -6244,11 +6246,11 @@ else -e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` - (eval echo "\"\$as_me:6247: $lt_compile\"" >&5) + (eval echo "\"\$as_me:6249: $lt_compile\"" >&5) (eval "$lt_compile" 2>conftest.err) ac_status=$? cat conftest.err >&5 - echo "$as_me:6251: \$? = $ac_status" >&5 + echo "$as_me:6253: \$? = $ac_status" >&5 if (exit $ac_status) && test -s "$ac_outfile"; then # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings @@ -6476,11 +6478,11 @@ else -e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` - (eval echo "\"\$as_me:6479: $lt_compile\"" >&5) + (eval echo "\"\$as_me:6481: $lt_compile\"" >&5) (eval "$lt_compile" 2>conftest.err) ac_status=$? cat conftest.err >&5 - echo "$as_me:6483: \$? = $ac_status" >&5 + echo "$as_me:6485: \$? = $ac_status" >&5 if (exit $ac_status) && test -s "$ac_outfile"; then # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings @@ -6543,11 +6545,11 @@ else -e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` - (eval echo "\"\$as_me:6546: $lt_compile\"" >&5) + (eval echo "\"\$as_me:6548: $lt_compile\"" >&5) (eval "$lt_compile" 2>out/conftest.err) ac_status=$? cat out/conftest.err >&5 - echo "$as_me:6550: \$? = $ac_status" >&5 + echo "$as_me:6552: \$? = $ac_status" >&5 if (exit $ac_status) && test -s out/conftest2.$ac_objext then # The compiler can only warn and ignore the option if not recognized @@ -8555,7 +8557,7 @@ else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext < conftest.$ac_ext <&5) + (eval echo "\"\$as_me:10794: $lt_compile\"" >&5) (eval "$lt_compile" 2>conftest.err) ac_status=$? cat conftest.err >&5 - echo "$as_me:10796: \$? = $ac_status" >&5 + echo "$as_me:10798: \$? = $ac_status" >&5 if (exit $ac_status) && test -s "$ac_outfile"; then # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings @@ -10856,11 +10858,11 @@ else -e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` - (eval echo "\"\$as_me:10859: $lt_compile\"" >&5) + (eval echo "\"\$as_me:10861: $lt_compile\"" >&5) (eval "$lt_compile" 2>out/conftest.err) ac_status=$? cat out/conftest.err >&5 - echo "$as_me:10863: \$? = $ac_status" >&5 + echo "$as_me:10865: \$? = $ac_status" >&5 if (exit $ac_status) && test -s out/conftest2.$ac_objext then # The compiler can only warn and ignore the option if not recognized @@ -12099,7 +12101,7 @@ else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext < conftest.$ac_ext <&5) + (eval echo "\"\$as_me:13024: $lt_compile\"" >&5) (eval "$lt_compile" 2>conftest.err) ac_status=$? cat conftest.err >&5 - echo "$as_me:13026: \$? = $ac_status" >&5 + echo "$as_me:13028: \$? = $ac_status" >&5 if (exit $ac_status) && test -s "$ac_outfile"; then # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings @@ -13086,11 +13088,11 @@ else -e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` - (eval echo "\"\$as_me:13089: $lt_compile\"" >&5) + (eval echo "\"\$as_me:13091: $lt_compile\"" >&5) (eval "$lt_compile" 2>out/conftest.err) ac_status=$? cat out/conftest.err >&5 - echo "$as_me:13093: \$? = $ac_status" >&5 + echo "$as_me:13095: \$? = $ac_status" >&5 if (exit $ac_status) && test -s out/conftest2.$ac_objext then # The compiler can only warn and ignore the option if not recognized @@ -15030,11 +15032,11 @@ else -e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` - (eval echo "\"\$as_me:15033: $lt_compile\"" >&5) + (eval echo "\"\$as_me:15035: $lt_compile\"" >&5) (eval "$lt_compile" 2>conftest.err) ac_status=$? cat conftest.err >&5 - echo "$as_me:15037: \$? = $ac_status" >&5 + echo "$as_me:15039: \$? = $ac_status" >&5 if (exit $ac_status) && test -s "$ac_outfile"; then # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings @@ -15262,11 +15264,11 @@ else -e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` - (eval echo "\"\$as_me:15265: $lt_compile\"" >&5) + (eval echo "\"\$as_me:15267: $lt_compile\"" >&5) (eval "$lt_compile" 2>conftest.err) ac_status=$? cat conftest.err >&5 - echo "$as_me:15269: \$? = $ac_status" >&5 + echo "$as_me:15271: \$? = $ac_status" >&5 if (exit $ac_status) && test -s "$ac_outfile"; then # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings @@ -15329,11 +15331,11 @@ else -e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` - (eval echo "\"\$as_me:15332: $lt_compile\"" >&5) + (eval echo "\"\$as_me:15334: $lt_compile\"" >&5) (eval "$lt_compile" 2>out/conftest.err) ac_status=$? cat out/conftest.err >&5 - echo "$as_me:15336: \$? = $ac_status" >&5 + echo "$as_me:15338: \$? = $ac_status" >&5 if (exit $ac_status) && test -s out/conftest2.$ac_objext then # The compiler can only warn and ignore the option if not recognized @@ -17341,7 +17343,7 @@ else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext < conftest.$ac_ext <