general.texi: remove reference to --enable-memalign-hack, no longer required

[ffmpeg] / configure

diff --git a/configure b/configure
index 552c8e0a8293d9d295c29e771e03214e4d8266b7..7d4cd1417a76c2dcba8cbda294fdbe52604e8fc9 100755 (executable)
--- a/configure
+++ b/configure
@@ -238,6 +238,7 @@ Advanced options (experts only):
   --malloc-prefix=PFX      prefix malloc and related names with PFX
   --enable-sram            allow use of on-chip SRAM
   --disable-symver         disable symbol versioning
+  --optflags               override optimization-related compiler flags
 
 Developer options (useful when working on FFmpeg itself):
   --disable-debug          disable debugging symbols
@@ -970,6 +971,7 @@ CONFIG_LIST="
     static
     swscale
     swscale_alpha
+    thumb
     vaapi
     vdpau
     version3
@@ -1187,6 +1189,7 @@ CMDLINE_SET="
     logfile
     malloc_prefix
     nm
+    optflags
     pkg_config
     samples
     strip
@@ -1715,7 +1718,7 @@ DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
 
 # find source path
 if test -f configure; then
-    source_path="$(pwd)"
+    source_path=.
     disable source_path_used
 else
     source_path=$(cd $(dirname "$0"); pwd)
@@ -2100,6 +2103,7 @@ elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
     speed_cflags='-O2'
     size_cflags='-Os'
+    filter_cflags='filter_out -Wdisabled-optimization'
 elif $cc -v 2>&1 | grep -q Open64; then
     cc_type=open64
     cc_version=__OPEN64__
@@ -2108,6 +2112,7 @@ elif $cc -v 2>&1 | grep -q Open64; then
     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
     speed_cflags='-O2'
     size_cflags='-Os'
+    filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
 fi
 
 test -n "$cc_type" && enable $cc_type ||
@@ -2259,7 +2264,7 @@ elif enabled x86; then
             disable cmov
         ;;
         # targets that do support conditional mov (cmov)
-        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona|atom)
+        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
             cpuflags="-march=$cpu"
             enable cmov
             enable fast_cmov
@@ -2296,7 +2301,7 @@ elif enabled arm; then
             case $cpu in
                 cortex-a*)                               subarch=armv7a  ;;
                 cortex-r*)                               subarch=armv7r  ;;
-                cortex-m*)                               subarch=armv7m  ;;
+                cortex-m*)                 enable thumb; subarch=armv7m  ;;
                 arm11*)                                  subarch=armv6   ;;
                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
@@ -2636,7 +2641,7 @@ if enabled alpha; then
 
 elif enabled arm; then
 
-    check_cflags -marm
+    enabled thumb && check_cflags -mthumb || check_cflags -marm
     nogas=die
 
     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
@@ -3060,9 +3065,10 @@ void ff_foo(void) {}
 EOF
 fi
 
-if enabled small; then
+if [ -n "$optflags" ]; then
+    add_cflags $optflags
+elif enabled small; then
     add_cflags $size_cflags
-    optimizations="small"
 elif enabled optimizations; then
     add_cflags $speed_cflags
 else
@@ -3146,6 +3152,11 @@ check_deps $CONFIG_LIST       \
 
 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
 
+if test $target_os == "haiku"; then
+    disable memalign
+    disable posix_memalign
+fi
+
 ! enabled_any memalign posix_memalign malloc_aligned &&
     enabled_any $need_memalign && enable memalign_hack
 
@@ -3197,6 +3208,7 @@ if enabled sparc; then
 fi
 echo "debug symbols             ${debug-no}"
 echo "strip symbols             ${stripping-no}"
+echo "optimize for size         ${small-no}"
 echo "optimizations             ${optimizations-no}"
 echo "static                    ${static-no}"
 echo "shared                    ${shared-no}"
@@ -3281,6 +3293,7 @@ if enabled source_path_used; then
         Makefile
         common.mak
         subdir.mak
+        doc/Makefile
         doc/texi2pod.pl
         libavcodec/Makefile
         libavcodec/${arch}/Makefile
@@ -3291,6 +3304,7 @@ if enabled source_path_used; then
         libavutil/Makefile
         libpostproc/Makefile
         libswscale/Makefile
+        tests/Makefile
     "
     map 'mkdir -p $v' $DIRS;
     map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
@@ -3312,8 +3326,7 @@ INCDIR=\$(DESTDIR)$incdir
 BINDIR=\$(DESTDIR)$bindir
 DATADIR=\$(DESTDIR)$datadir
 MANDIR=\$(DESTDIR)$mandir
-SRC_PATH="$source_path"
-SRC_PATH_BARE=$source_path
+SRC_PATH=$source_path
 CC_IDENT=$cc_ident
 ARCH=$arch
 CC=$cc