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-rw-r--r--configure.ac264
1 files changed, 179 insertions, 85 deletions
diff --git a/configure.ac b/configure.ac
index 5f8cf7b..c616f3a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,9 +1,6 @@
-m4_define([LIBASS_VERSION], [0.15.1])
-AC_INIT(libass, LIBASS_VERSION)
-AM_INIT_AUTOMAKE([foreign])
+AC_INIT(libass, 0.17.1)
+AM_INIT_AUTOMAKE([foreign subdir-objects])
AC_CONFIG_MACRO_DIR([m4])
-# Disable Fortran checks
-define([AC_LIBTOOL_LANG_F77_CONFIG], [:])
LT_INIT
AC_CONFIG_SRCDIR([libass/ass.c])
AC_CONFIG_HEADERS([config.h])
@@ -11,6 +8,7 @@ AC_CONFIG_HEADERS([config.h])
# Checks for programs.
AC_PROG_CC
AM_PROG_CC_C_O
+AM_PROG_AS
# Checks for header files.
AC_CHECK_HEADERS_ONCE([iconv.h])
@@ -25,12 +23,16 @@ AC_ARG_ENABLE([compare], AS_HELP_STRING([--enable-compare],
[enable compare program (requires libpng) @<:@default=no@:>@]))
AC_ARG_ENABLE([profile], AS_HELP_STRING([--enable-profile],
[enable profiling program @<:@default=no@:>@]))
+AC_ARG_ENABLE([fuzz], AS_HELP_STRING([--enable-fuzz],
+ [enable fuzzing consumer @<:@default=no@:>@]))
AC_ARG_ENABLE([fontconfig], AS_HELP_STRING([--disable-fontconfig],
- [disable fontconfig support @<:@default=enabled@:>@]))
+ [disable fontconfig support @<:@default=check@:>@]))
AC_ARG_ENABLE([directwrite], AS_HELP_STRING([--disable-directwrite],
- [disable DirectWrite support (win32 only) @<:@default=check@:>@]))
+ [disable DirectWrite support (Windows only) @<:@default=check@:>@]))
AC_ARG_ENABLE([coretext], AS_HELP_STRING([--disable-coretext],
[disable CoreText support (OSX only) @<:@default=check@:>@]))
+AC_ARG_ENABLE([libunibreak], AS_HELP_STRING([--disable-libunibreak],
+ [disable libunibreak support @<:@default=check@:>@]))
AC_ARG_ENABLE([require-system-font-provider], AS_HELP_STRING([--disable-require-system-font-provider],
[allow compilation even if no system font provider was found @<:@default=enabled:>@]))
AC_ARG_ENABLE([asm], AS_HELP_STRING([--disable-asm],
@@ -38,6 +40,14 @@ AC_ARG_ENABLE([asm], AS_HELP_STRING([--disable-asm],
AC_ARG_ENABLE([large-tiles], AS_HELP_STRING([--enable-large-tiles],
[use larger tiles in the rasterizer (better performance, slightly worse quality) @<:@default=disabled@:>@]))
+AC_ARG_VAR([ART_SAMPLES],
+ [Path to the root of libass' regression testing sample repository. If set, it is used in make check.])
+AC_ARG_VAR([FUZZ_LDFLAGS],
+ [Optional special linking flags only used for the fuzzer binary.])
+AC_ARG_VAR([FUZZ_CPPFLAGS],
+ [If fuzzing program is enabled, set this to select alternative modes; see fuzzer source for options.])
+FUZZ_CPPFLAGS="${FUZZ_CPPFLAGS:--DASS_FUZZMODE=0}"
+
# Checks for available libraries and define corresponding C Macros
# Start with system libs, then check everything else via pkg-config
AS_IF([test "x$ac_cv_header_iconv_h" = xyes], [
@@ -65,20 +75,23 @@ AC_SEARCH_LIBS([lrint], [m], [
])
pkg_libs="$LIBS"
-## Check for libraries via pkg-config
-PKG_CHECK_MODULES([FREETYPE], [freetype2 >= 9.10.3], [
+## Check for libraries via pkg-config and add to pkg_requires as needed
+PKG_CHECK_MODULES([FREETYPE], [freetype2 >= 9.17.3], [
+ pkg_requires="freetype2 >= 9.17.3"
CFLAGS="$CFLAGS $FREETYPE_CFLAGS"
LIBS="$LIBS $FREETYPE_LIBS"
AC_DEFINE(CONFIG_FREETYPE, 1, [found freetype2 via pkg-config])
])
-PKG_CHECK_MODULES([FRIBIDI], [fribidi >= 0.19.0], [
+PKG_CHECK_MODULES([FRIBIDI], [fribidi >= 0.19.1], [
+ pkg_requires="fribidi >= 0.19.1, ${pkg_requires}"
CFLAGS="$CFLAGS $FRIBIDI_CFLAGS"
LIBS="$LIBS $FRIBIDI_LIBS"
AC_DEFINE(CONFIG_FRIBIDI, 1, [found fribidi via pkg-config])
])
PKG_CHECK_MODULES([HARFBUZZ], [harfbuzz >= 1.2.3], [
+ pkg_requires="harfbuzz >= 1.2.3, ${pkg_requires}"
CFLAGS="$CFLAGS $HARFBUZZ_CFLAGS"
LIBS="$LIBS $HARFBUZZ_LIBS"
AC_DEFINE(CONFIG_HARFBUZZ, 1, [found harfbuzz via pkg-config])
@@ -87,22 +100,40 @@ PKG_CHECK_MODULES([HARFBUZZ], [harfbuzz >= 1.2.3], [
libpng=false
AS_IF([test "x$enable_test" = xyes || test "x$enable_compare" = xyes], [
PKG_CHECK_MODULES([LIBPNG], [libpng >= 1.2.0], [
+ # Only used for test programs, must not be used for distribution
CFLAGS="$CFLAGS $LIBPNG_CFLAGS"
AC_DEFINE(CONFIG_LIBPNG, 1, [found libpng via pkg-config])
libpng=true
])
])
+AS_IF([test "x$enable_libunibreak" != xno], [
+ PKG_CHECK_MODULES([LIBUNIBREAK], [libunibreak >= 1.1], [
+ pkg_requires="libunibreak >= 1.1, ${pkg_requires}"
+ CFLAGS="$CFLAGS $LIBUNIBREAK_CFLAGS"
+ LIBS="$LIBS $LIBUNIBREAK_LIBS"
+ AC_DEFINE(CONFIG_UNIBREAK, 1, [found libunibreak via pkg-config])
+ ], [
+ AS_IF([test "x$enable_libunibreak" = xyes], [
+ AC_MSG_ERROR([libunibreak support was requested, but it was not found.])
+ ])
+ ])
+])
+
## Check for system font providers
### Fontconfig
AS_IF([test "x$enable_fontconfig" != xno], [
PKG_CHECK_MODULES([FONTCONFIG], [fontconfig >= 2.10.92], [
+ pkg_requires="fontconfig >= 2.10.92, ${pkg_requires}"
CFLAGS="$CFLAGS $FONTCONFIG_CFLAGS"
LIBS="$LIBS $FONTCONFIG_LIBS"
AC_DEFINE(CONFIG_FONTCONFIG, 1, [found fontconfig via pkg-config])
fontconfig=true
], [
fontconfig=false
+ AS_IF([test "x$enable_fontconfig" = xyes], [
+ AC_MSG_ERROR([fontconfig support was requested, but it was not found.])
+ ])
])
])
@@ -115,9 +146,10 @@ AS_IF([test "x$enable_coretext" != xno], [
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM( dnl# First test for legacy include
[[#include <ApplicationServices/ApplicationServices.h>]],
- [[CTFontDescriptorCopyAttribute(NULL, kCTFontURLAttribute);]]
+ [[CTFontDescriptorCopyAttribute(NULL, kCTFontNameAttribute);]]
)
], [
+ pkg_libs="$pkg_libs -framework ApplicationServices -framework CoreFoundation"
LIBS="$LIBS -framework ApplicationServices -framework CoreFoundation"
AC_DEFINE(CONFIG_CORETEXT, 1, [found CoreText in ApplicationServices framework])
coretext=true
@@ -126,9 +158,10 @@ AS_IF([test "x$enable_coretext" != xno], [
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM( dnl# Otherwise check newer include style
[[#include <CoreText/CoreText.h>]],
- [[CTFontDescriptorCopyAttribute(NULL, kCTFontURLAttribute);]]
+ [[CTFontDescriptorCopyAttribute(NULL, kCTFontNameAttribute);]]
)
], [
+ pkg_libs="$pkg_libs -framework CoreText -framework CoreFoundation"
LIBS="$LIBS -framework CoreText -framework CoreFoundation"
AC_DEFINE(CONFIG_CORETEXT, 1, [found CoreText framework])
coretext=true
@@ -136,6 +169,9 @@ AS_IF([test "x$enable_coretext" != xno], [
], [
coretext=false
AC_MSG_RESULT([no])
+ AS_IF([test "x$enable_coretext" = xyes], [
+ AC_MSG_ERROR([CoreText support was requested, but it was not found.])
+ ])
])
])
])
@@ -144,15 +180,40 @@ AS_IF([test "x$enable_coretext" != xno], [
AS_IF([test "x$enable_directwrite" != xno], [
# Linking to DirectWrite directly only works from Windows
AC_MSG_CHECKING([for DIRECTWRITE])
- AC_LINK_IFELSE([
+ AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[#include <windows.h>]], [[;]])
], [
- AC_DEFINE(CONFIG_DIRECTWRITE, 1, [found DirectWrite])
directwrite=true
AC_MSG_RESULT([yes])
+ AC_MSG_CHECKING([for Win32 desktop APIs])
+ AC_COMPILE_IFELSE([
+ AC_LANG_PROGRAM([[
+ #include <winapifamily.h>
+ #if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
+ #error Win32 desktop APIs are available
+ #endif
+ ]], [[;]])
+ ], [
+ # WinRT/UWP/app build: GDI and LoadLibrary are
+ # unavailable, but DirectWrite is always present
+ pkg_libs="$pkg_libs -ldwrite"
+ LIBS="$LIBS -ldwrite"
+ AC_DEFINE(CONFIG_DIRECTWRITE, 1, [found DirectWrite (WinRT/UWP)])
+ AC_MSG_RESULT([no])
+ ], [
+ # Win32/desktop build: GDI is always present;
+ # DirectWrite is optional but can be loaded via LoadLibrary
+ pkg_libs="$pkg_libs -lgdi32"
+ LIBS="$LIBS -lgdi32"
+ AC_DEFINE(CONFIG_DIRECTWRITE, 1, [found DirectWrite and GDI (Win32)])
+ AC_MSG_RESULT([yes])
+ ])
], [
directwrite=false
AC_MSG_RESULT([no])
+ AS_IF([test "x$enable_directwrite" = xyes], [
+ AC_MSG_ERROR([DirectWrite support was requested, but it was not found.])
+ ])
])
])
@@ -171,97 +232,104 @@ AS_IF([test "x$enable_require_system_font_provider" != xno dnl
))
])
-## Now add packages to pkg_requires
-pkg_requires="freetype2 >= 9.10.3"
-pkg_requires="fribidi >= 0.19.0, ${pkg_requires}"
-pkg_requires="harfbuzz >= 1.2.3, ${pkg_requires}"
-AS_IF([test "x$fontconfig" = xtrue], [
- pkg_requires="fontconfig >= 2.10.92, ${pkg_requires}"
-])
-
# Locate and configure Assembler appropriately
+can_asm=false
+cpu_family="other"
AS_IF([test "x$enable_asm" != xno], [
AS_CASE([$host],
[i?86-*], [
- INTEL=true
AS=nasm
- X86=true
+ cpu_family="x86"
BITS=32
BITTYPE=32
ASFLAGS="$ASFLAGS -DARCH_X86_64=0"
],
[x86_64-*-gnux32|amd64-*-gnux32], [
AS=nasm
- INTEL=true
- X64=true
+ cpu_family="x86"
BITS=64
BITTYPE=x32
ASFLAGS="$ASFLAGS -DARCH_X86_64=1"
],
[x86_64-*|amd64-*], [
AS=nasm
- INTEL=true
- X64=true
+ cpu_family="x86"
BITS=64
BITTYPE=64
ASFLAGS="$ASFLAGS -DARCH_X86_64=1"
],
+ [aarch64-*|aarch64_be-*], [
+ cpu_family="arm64"
+ BITS=64
+ BITTYPE=64
+ ],
[ # default
- INTEL=false
+ AC_MSG_NOTICE([Assembly optimizations are not yet supported on this architecture; disabling.])
]
)
- AS_IF([test "x$INTEL" = xtrue], [
- AC_CHECK_PROG([nasm_check], [$AS], [yes])
- AS_IF([test "x$nasm_check" != xyes], [
- AC_MSG_WARN(nasm was not found; ASM functions are disabled.)
- AC_MSG_WARN(Install nasm for a significantly faster libass build.)
- enable_asm=no
- ], [
+ AS_CASE([$cpu_family],
+ [x86], [
+ AC_CHECK_PROG([nasm_check], [$AS], [yes])
+ AS_IF([test "x$nasm_check" != xyes], [
+ AC_MSG_WARN(nasm was not found; ASM functions are disabled.)
+ AC_MSG_WARN(Install nasm for a significantly faster libass build.)
+ ], [
+ AS_CASE([$host_os],
+ [darwin*], [
+ ASFLAGS="$ASFLAGS -f macho$BITTYPE -DPREFIX -DSTACK_ALIGNMENT=16"
+ ],
+ [cygwin*|mingw*], [
+ ASFLAGS="$ASFLAGS -f win$BITTYPE"
+ AS_IF([test "x$BITS" = x32], [
+ ASFLAGS="$ASFLAGS -DPREFIX"
+ ])
+ ],
+ [linux*|solaris*|haiku*|gnu*], [
+ ASFLAGS="$ASFLAGS -f elf$BITTYPE -DSTACK_ALIGNMENT=16"
+ ],
+ [dragonfly*|*bsd*], [
+ ASFLAGS="$ASFLAGS -f elf$BITTYPE"
+ ],
+ [ # default
+ AC_MSG_ERROR(m4_text_wrap(m4_normalize([
+ Please contact libass upstream to figure out if ASM
+ support for your platform can be added.
+ In the meantime you will need to use --disable-asm.]),
+ [ ],
+ [could not identify NASM format for $host_os !],
+ [78]
+ ))
+ ]
+ )
+ AC_MSG_CHECKING([if $AS supports vpmovzxwd])
+ echo "vpmovzxwd ymm0, xmm0" > conftest.asm
+ AS_IF([$AS conftest.asm $ASFLAGS -o conftest.o >conftest.log 2>&1], [
+ AC_MSG_RESULT([yes])
+ can_asm=true
+ ], [
+ AC_MSG_RESULT([no])
+ VER=`($AS --version || echo no assembler) 2>/dev/null | head -n 1`
+ AC_MSG_WARN([nasm is too old (found $VER); ASM functions are disabled.])
+ AC_MSG_WARN([Install nasm-2.10 or later for a significantly faster libass build.])
+ ])
+ rm conftest.asm conftest.o > /dev/null 2>&1
+ ])
+ ],
+ [arm64], [
AS_CASE([$host],
[*darwin*], [
- ASFLAGS="$ASFLAGS -f macho$BITTYPE -DPREFIX -DSTACK_ALIGNMENT=16"
- ],
- [*linux*|*solaris*|*haiku*], [
- ASFLAGS="$ASFLAGS -f elf$BITTYPE -DSTACK_ALIGNMENT=16"
- ],
- [*dragonfly*|*bsd*], [
- ASFLAGS="$ASFLAGS -f elf$BITTYPE"
- ],
- [*cygwin*|*mingw*], [
- ASFLAGS="$ASFLAGS -f win$BITTYPE"
- AS_IF([test "x$BITS" = x32], [
- ASFLAGS="$ASFLAGS -DPREFIX"
- ])
- ],
- [ # default
- AC_MSG_ERROR(m4_text_wrap(m4_normalize([
- Please contact libass upstream to figure out if ASM
- support for your platform can be added.
- In the meantime you will need to use --disable-asm.]),
- [ ],
- [could not identify NASM format for $host !],
- [78]
- ))
+ CCASFLAGS="$CCASFLAGS -DPREFIX"
]
)
- ASFLAGS="$ASFLAGS -Dprivate_prefix=ass"
- AC_MSG_CHECKING([if $AS supports vpmovzxwd])
- echo "vpmovzxwd ymm0, xmm0" > conftest.asm
- AS_IF([$AS conftest.asm $ASFLAGS -o conftest.o >conftest.log 2>&1], [
- AC_MSG_RESULT([yes])
- ], [
- AC_MSG_RESULT([no])
- VER=`($AS --version || echo no assembler) 2>/dev/null | head -n 1`
- AC_MSG_WARN([nasm is too old (found $VER); ASM functions are disabled.])
- AC_MSG_WARN([Install nasm-2.10 or later for a significantly faster libass build.])
- enable_asm=no
- ])
- rm conftest.asm conftest.o > /dev/null 2>&1
- ])
- ])
+ can_asm=true
+ ]
+ )
])
+AS_IF([test x"$enable_asm" = xyes && test x"$can_asm" != xtrue], [
+ AC_MSG_ERROR([Assembly was requested, but cannot be built; see prior messages.])
+])
# Relay config results to output files
@@ -270,20 +338,34 @@ AC_SUBST([ASFLAGS], ["$ASFLAGS"])
AC_SUBST([AS], ["$AS"])
## Relay package configuration to libass.pc.in
-AC_SUBST([PKG_LIBS_PRIVATE], [${pkg_libs}])
-AC_SUBST([PKG_REQUIRES_PRIVATE], [${pkg_requires}])
+AS_IF([test "x$enable_shared" != xno], [
+ AC_SUBST([PKG_LIBS_PUBLIC], [])
+ AC_SUBST([PKG_REQUIRES_PUBLIC], [])
+ AC_SUBST([PKG_LIBS_PRIVATE], [${pkg_libs}])
+ AC_SUBST([PKG_REQUIRES_PRIVATE], [${pkg_requires}])
+], [
+ # Not mentioned by the pkg-config specification, but
+ # a common workaround for poor support for mixed builds
+ AC_SUBST([PKG_LIBS_PUBLIC], [${pkg_libs}])
+ AC_SUBST([PKG_REQUIRES_PUBLIC], [${pkg_requires}])
+ AC_SUBST([PKG_LIBS_PRIVATE], [])
+ AC_SUBST([PKG_REQUIRES_PRIVATE], [])
+])
## Setup conditionals for use in Makefiles
-AM_CONDITIONAL([ASM], [test "x$enable_asm" != xno])
-AM_CONDITIONAL([INTEL], [test "x$INTEL" = xtrue])
-AM_CONDITIONAL([X86], [test "x$X86" = xtrue])
-AM_CONDITIONAL([X64], [test "x$X64" = xtrue])
+AM_CONDITIONAL([ASM], [test "x$can_asm" = xtrue])
+AM_CONDITIONAL([X86], [test "x$cpu_family" = xx86])
+AM_CONDITIONAL([X86_64], [test "x$cpu_family" = xx86 && test "x$BITS" = x64])
+AM_CONDITIONAL([AARCH64], [test "x$cpu_family" = xarm64])
AM_CONDITIONAL([ENABLE_LARGE_TILES], [test "x$enable_large_tiles" = xyes])
AM_CONDITIONAL([ENABLE_COMPARE], [test "x$enable_compare" = xyes && test "x$libpng" = xtrue])
AM_CONDITIONAL([ENABLE_TEST], [test "x$enable_test" = xyes && test "x$libpng" = xtrue])
AM_CONDITIONAL([ENABLE_PROFILE], [test "x$enable_profile" = xyes])
+AM_CONDITIONAL([ENABLE_FUZZ], [test "x$enable_fuzz" = xyes])
+# tcc doesn't have the full support of __attribute__((aligned(32)))
+AM_CONDITIONAL([ENABLE_CHECKASM], [test "x$can_asm" = xtrue && test "x$GCC" = xyes])
AM_CONDITIONAL([FONTCONFIG], [test "x$fontconfig" = xtrue])
AM_CONDITIONAL([CORETEXT], [test "x$coretext" = xtrue])
@@ -292,6 +374,15 @@ AM_CONDITIONAL([DIRECTWRITE], [test "x$directwrite" = xtrue])
## Define C Macros not relating to libraries
AM_COND_IF([ASM], [
AC_DEFINE(CONFIG_ASM, 1, [ASM enabled])
+ AM_COND_IF([X86], [
+ AC_DEFINE(ARCH_X86, 1, [targeting a 32- or 64-bit x86 host architecture])
+ ])
+ AM_COND_IF([X86_64], [
+ AC_DEFINE(ARCH_X86_64, 1, [targeting a 64-bit x86 host architecture])
+ ])
+ AM_COND_IF([AARCH64], [
+ AC_DEFINE(ARCH_AARCH64, 1, [targeting a 64-bit arm host architecture])
+ ])
], [
AC_DEFINE(CONFIG_ASM, 0, [ASM enabled])
])
@@ -303,16 +394,19 @@ AM_COND_IF([ENABLE_LARGE_TILES], [
])
## Make a guess about the source code version
-AS_IF([test -d "${srcdir}/.git"], [
+AS_IF([test -e "${srcdir}/.git"], [
AC_PATH_PROG([git_bin], [git])
AS_IF([test -n "$git_bin"], [
- srcversion_string="commit: $("$git_bin" -C "$srcdir" describe --tags --long --always --dirty --broken --abbrev=40)"
+ tmp="$("$git_bin" -C "$srcdir" describe --tags --long --always --broken --abbrev=40 2>/dev/null)" \
+ || tmp="$("$git_bin" -C "$srcdir" describe --tags --long --always --dirty --abbrev=40 2>/dev/null)" \
+ || tmp="failed to determine (>= AC_PACKAGE_VERSION)"
+ srcversion_string="commit: $tmp"
], [
- srcversion_string="custom after: LIBASS_VERSION"
+ srcversion_string="custom after: AC_PACKAGE_VERSION"
])
], [
dnl# Hope no one creates custom tarballs without adjusting the version
- srcversion_string="tarball: LIBASS_VERSION"
+ srcversion_string="tarball: AC_PACKAGE_VERSION"
])
AC_DEFINE_UNQUOTED([CONFIG_SOURCEVERSION], ["$srcversion_string"],
[string containing info about the used source])
@@ -320,5 +414,5 @@ AC_DEFINE_UNQUOTED([CONFIG_SOURCEVERSION], ["$srcversion_string"],
## Setup output beautifier.
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
-AC_CONFIG_FILES([Makefile libass/Makefile test/Makefile compare/Makefile profile/Makefile libass.pc])
+AC_CONFIG_FILES([Makefile libass.pc])
AC_OUTPUT