diff options
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/configure.in b/configure.in index 7806a1e4026..c28ec390971 100644 --- a/configure.in +++ b/configure.in @@ -1228,6 +1228,12 @@ configure___ system_malloc=yes configure___ system_malloc=no #endif +#ifdef REL_ALLOC_MMAP +configure___ rel_alloc_mmap=yes +#else +configure___ rel_alloc_mmap=no +#endif + #ifndef C_DEBUG_SWITCH #define C_DEBUG_SWITCH -g #endif @@ -1538,6 +1544,15 @@ if test x"${REL_ALLOC}" = x; then REL_ALLOC=${GNU_MALLOC} fi +@dnl For now, need to use an explicit `#define REL_ALLOC_MMAP 1' in +@dnl the system configuration file (s/*.h) to turn the use of mmap +@dnl in the relocating allocator on. + +AC_FUNC_MMAP +if test $rel_alloc_mmap = yes; then + REL_ALLOC=yes +fi + LIBS="$libsrc_libs $LIBS" dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks, @@ -2089,7 +2104,6 @@ else fi AC_FUNC_VFORK -AC_FUNC_MMAP # Fixme: This should be replaced when we have autoconf 2.14. AC_SIZE_T @@ -2180,7 +2194,8 @@ Configured for \`${canonical}'. \`${opsysfile}' and \`${machfile}' What compiler should emacs be built with? ${CC} ${CFLAGS} Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason} - Should Emacs use the relocating allocator for buffers? ${REL_ALLOC} + Should Emacs use a relocating allocator for buffers? ${REL_ALLOC} + Should Emacs use mmap for the relocating allocator? $rel_alloc_mmap What window system should Emacs use? ${window_system} What toolkit should Emacs use? ${USE_X_TOOLKIT}" |