[FFmpeg-cvslog] configure: add option to select use of response files

[Gyan Doshi]

ffmpeg | branch: master | Gyan Doshi <ffmpeg at gyani.pro> | Fri Mar 21 13:28:40 2025 +0530| [64087171f67bab220c4d3001eb6b074cf488284c] | committer: Gyan Doshi

configure: add option to select use of response files

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=64087171f67bab220c4d3001eb6b074cf488284c
---

 configure           | 25 +++++++++++++++++--------
 ffbuild/library.mak |  4 ++--
 2 files changed, 19 insertions(+), 10 deletions(-)

diff --git a/configure b/configure
index 225a235de7..4559962a4a 100755
--- a/configure
+++ b/configure
@@ -427,6 +427,7 @@ Toolchain options:
   --enable-thumb           compile for Thumb instruction set
   --enable-lto[=arg]       use link-time optimization
   --env="ENV=override"     override the environment variables
+  --disable-response-files Don't pass the list of objects to linker in a file [autodetect]
 
 Advanced options (experts only):
   --malloc-prefix=PREFIX   prefix malloc and related names with PREFIX
@@ -2661,6 +2662,7 @@ CMDLINE_SELECT="
     extra_warnings
     logging
     optimizations
+    response_files
     rpath
     stripping
     version_tracking
@@ -4131,6 +4133,7 @@ objformat="elf32"
 x86asmexe_default="nasm"
 windres_default="windres"
 striptype="direct"
+response_files_default="auto"
 
 # OS
 target_os_default=$(tolower $(uname -s))
@@ -5176,7 +5179,7 @@ test -n "$cc_type" && enable $cc_type ||
 : ${dep_cc_default:=$cc}
 : ${ld_default:=$cc}
 : ${host_ld_default:=$host_cc}
-set_default ar as objcc dep_cc ld ln_s host_ld windres
+set_default ar as objcc dep_cc ld ln_s host_ld windres response_files
 
 probe_cc as "$as"
 asflags_filter=$_flags_filter
@@ -7736,12 +7739,18 @@ case $ld_type in
     ;;
 esac
 
-{
-ar_out=${FFTMPDIR}/test$LIBSUF
-respfile="@/dev/null"
-out_arg="$(echo $ar_o | sed "s;\$@;$ar_out;g")"
-test_cmd $ar $arflags $out_arg $respfile && ar_objs="true" || ar_objs=""
-}
+if [ "$response_files" != "no" ]; then
+    ar_out=${FFTMPDIR}/test$LIBSUF
+    respfile="@/dev/null"
+    out_arg="$(echo $ar_o | sed "s;\$@;$ar_out;g")"
+    if test_cmd $ar $arflags $out_arg $respfile; then
+        response_files="yes"
+    elif [ "$response_files" = "auto" ]; then
+        response_files="no"
+    else
+        die "Response files are not available with this toolchain. Exiting"
+    fi
+fi
 
 enable frame_thread_encoder
 
@@ -8119,7 +8128,7 @@ DEPX86ASM=$x86asmexe
 DEPX86ASMFLAGS=\$(X86ASMFLAGS)
 AR=$ar
 ARFLAGS=$arflags
-AR_OBJS=$ar_objs
+RESPONSE_FILES=$response_files
 AR_O=$ar_o
 AR_CMD=$ar
 NM_CMD=$nm
diff --git a/ffbuild/library.mak b/ffbuild/library.mak
index 7e1871b74c..288c82a177 100644
--- a/ffbuild/library.mak
+++ b/ffbuild/library.mak
@@ -35,7 +35,7 @@ OBJS += $(SHLIBOBJS)
 endif
 $(SUBDIR)$(LIBNAME): $(OBJS) $(STLIBOBJS)
 	$(RM) $@
-ifeq ($(AR_OBJS),true)
+ifeq ($(RESPONSE_FILES),yes)
 	$(Q)echo $^ > $@.objs
 	$(AR) $(ARFLAGS) $(AR_O) @$@.objs
 else
@@ -72,7 +72,7 @@ $(SUBDIR)$(SLIBNAME): $(SUBDIR)$(SLIBNAME_WITH_MAJOR)
 
 $(SUBDIR)$(SLIBNAME_WITH_MAJOR): $(OBJS) $(SHLIBOBJS) $(SLIBOBJS) $(SUBDIR)lib$(NAME).ver
 	$(SLIB_CREATE_DEF_CMD)
-ifeq ($(AR_OBJS),true)
+ifeq ($(RESPONSE_FILES),yes)
 	$(Q)echo $$(filter %.o,$$^) > $$@.objs
 	$$(LD) $(SHFLAGS) $(LDFLAGS) $(LDSOFLAGS) $$(LD_O) @$$@.objs $(FFEXTRALIBS)
 else