diff options
Diffstat (limited to 'newlib/configure')
| -rwxr-xr-x | newlib/configure | 52 |
1 files changed, 47 insertions, 5 deletions
diff --git a/newlib/configure b/newlib/configure index 30e1d5766..24f41e0a2 100755 --- a/newlib/configure +++ b/newlib/configure @@ -632,7 +632,11 @@ CRT1_DIR CRT1 CRT0_DIR CRT0 +HAVE_CRT0_FALSE +HAVE_CRT0_TRUE EXTRA_DIRS +HAVE_MULTISUBDIR_FALSE +HAVE_MULTISUBDIR_TRUE HAVE_DOC_FALSE HAVE_DOC_TRUE subdirs @@ -11776,7 +11780,7 @@ else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<_LT_EOF -#line 11779 "configure" +#line 11783 "configure" #include "confdefs.h" #if HAVE_DLFCN_H @@ -11882,7 +11886,7 @@ else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<_LT_EOF -#line 11885 "configure" +#line 11889 "configure" #include "confdefs.h" #if HAVE_DLFCN_H @@ -12157,13 +12161,13 @@ subdirs="$subdirs libm" if test -z "${with_multisubdir}"; then + have_multisubdir=no subdirs="$subdirs doc" - have_doc=yes else - have_doc= + have_multisubdir=yes fi - if test x$have_doc = xyes; then + if test x$have_multisubdir = xno; then HAVE_DOC_TRUE= HAVE_DOC_FALSE='#' else @@ -12172,6 +12176,28 @@ else fi +# Some run-time support libraries provided by GCC (e.g. libgomp) use configure +# checks to detect certain features, e.g. availability of thread-local storage. +# The configure script generates a test program and tries to compile and link +# it. It should use target libraries and startfiles of the build tree if +# available and not random ones from the installation prefix for this +# procedure. The search directories specified by -B are a bit special, see +# for_each_path() in gcc.c of the GCC sources. First a search is performed on +# all search paths with the multilib directory appended (if desired), then a +# second search is performed on demand with the base directory only. For each +# multilib there is a "newlib" subdirectory. This directory is specified by a +# -B option for the support libraries. In order to find the newlib artifacts +# (ctr0.o, libc.a, libg.a and libm.a) they must be located in a proper multilib +# subdirectory withing the build directory. + if test x$have_multisubdir = xyes; then + HAVE_MULTISUBDIR_TRUE= + HAVE_MULTISUBDIR_FALSE='#' +else + HAVE_MULTISUBDIR_TRUE='#' + HAVE_MULTISUBDIR_FALSE= +fi + + EXTRA_DIRS= case $host in i[34567]86-pc-linux-*) @@ -12188,6 +12214,14 @@ if test "x${have_crt0}" = "xyes"; then CRT0=crt0.o CRT0_DIR=libc/ fi + if test x$have_crt0 = xyes; then + HAVE_CRT0_TRUE= + HAVE_CRT0_FALSE='#' +else + HAVE_CRT0_TRUE='#' + HAVE_CRT0_FALSE= +fi + @@ -12827,6 +12861,14 @@ if test -z "${HAVE_DOC_TRUE}" && test -z "${HAVE_DOC_FALSE}"; then as_fn_error $? "conditional \"HAVE_DOC\" was never defined. Usually this means the macro was only invoked conditionally." "$LINENO" 5 fi +if test -z "${HAVE_MULTISUBDIR_TRUE}" && test -z "${HAVE_MULTISUBDIR_FALSE}"; then + as_fn_error $? "conditional \"HAVE_MULTISUBDIR\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${HAVE_CRT0_TRUE}" && test -z "${HAVE_CRT0_FALSE}"; then + as_fn_error $? "conditional \"HAVE_CRT0\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi if test -z "${HAVE_LONG_DOUBLE_TRUE}" && test -z "${HAVE_LONG_DOUBLE_FALSE}"; then as_fn_error $? "conditional \"HAVE_LONG_DOUBLE\" was never defined. Usually this means the macro was only invoked conditionally." "$LINENO" 5 |