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* configure: Check for support for labels in the inline assemblyMartin Storsjö2013-07-11
| | | | | | | Use this for enabling the ppc timer.h implementation only on assemblers that support labels in the inline assembly. Signed-off-by: Martin Storsjö <martin@martin.st>
* compat: wrap math.h to avoid AIX-specific clashesLuca Barbato2013-07-04
| | | | | AIX defines a class() function in its math.h header without any guard.
* configure: Do not omit frame pointers for msvc/icl debug buildsAlex Smith2013-06-24
| | | | | | | Because O1 or O2 are required to build libav with msvc/icl, this must be explicitly set instead of just omitting Oy. Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
* configure: Do not explicitly set Oy for msvc/iclAlex Smith2013-06-24
| | | | | | | It is implied by O1 or O2, both of which are required to build libav with msvc/icl. Silences warnings when targeting x64 with icl. Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
* configure: whitespace cosmeticsDiego Biurrun2013-06-23
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* configure: Simplify an expression with enabled_all.Diego Biurrun2013-06-23
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* configure: More msvc/icl combiningAlex Smith2013-06-22
| | | | Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
* configure: Remove unneeded icl inline compatibility definitionAlex Smith2013-06-19
| | | | Signed-off-by: Martin Storsjö <martin@martin.st>
* lavc: add a libwavpack encoder wrapperAnton Khirnov2013-06-10
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* configure: Don't add -fPIC on windows targetsMartin Storsjö2013-06-10
| | | | | | | | | | | This avoids warnings about this option not having any effect on this platform. We still want to enable the pic configure item for these platforms (if detected via the compiler builtin define __PIC__) to get proper inline assembly workarounds. Signed-off-by: Martin Storsjö <martin@martin.st>
* configure: Don't explicitly disable PIC for windows targetsMartin Storsjö2013-06-10
| | | | | | | | | | | | | | | | This reverts e08c946c6 and 05165c2f7a. The actual intention of e08c946c6 was to fix shared library builds for arm/win32, which can also be accomplished in other ways. Disabling pic on those platforms broke inline assembly on cygwin/64 (since some inline assembly requires knowing whether we are building as PIC or not), and might also break inline assembly on other compilers on windows. As a side-effect, this unfortunately brings back all the warnings about PIC not having any effect on that platform. Signed-off-by: Martin Storsjö <martin@martin.st>
* configure: arm: Don't try to enable pic for shared libraries on win32Martin Storsjö2013-06-10
| | | | | | | | The object file format doesn't support PIC loads in ARM assembly, there are no relocation types in PE/COFF that correspond to BFD_RELOC_32_PCREL (R_ARM_REL32 in ELF). Signed-off-by: Martin Storsjö <martin@martin.st>
* Go2Webinar decoderKostya Shishkov2013-06-03
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* configure: icl: Merge -Qdiag-error parametersAlex Smith2013-05-31
| | | | Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
* configure: Separate commonalities in msvc and icl flagsAlex Smith2013-05-31
| | | | | | | | Allows for easier handling of flags that may be specific to icl or msvc. Furthermore, simplify the handling of warnings and remarks thanks to icl's support of -Wall on Windows. Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
* configure: Don't pass -mthumb or -march= to MSVCMartin Storsjö2013-05-29
| | | | | | | | | | | The modern MSVC for ARM always builds for thumb, and it can't be disabled. Also just use the default arch instead of trying to map the -march parameter to MSVC's -arch parameter (which only takes the values ARMv7VE and VFPv4). Signed-off-by: Martin Storsjö <martin@martin.st>
* configure: support gcc-4.8 instrumentationLuca Barbato2013-05-28
| | | | | | | Since version 4.8 gcc sports asan and tsan integration that can be leveraged when hunting bugs. Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
* fate: Add a --target-samples path parameterMartin Storsjö2013-05-28
| | | | | | | This allows having the samples accessible via different paths on the target and on the host. Signed-off-by: Martin Storsjö <martin@martin.st>
* configure: make jack depend on pthreadsAnton Khirnov2013-05-27
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* msvc/icl: Intel Compiler support on WindowsAlex Smith2013-05-25
| | | | | | | | | | | | | | | Initial support for the ICL compiler on windows. Requires a new c99wrap with ICL support (1.0.2+). Currently not much different speed wise compared to msvc. In the future with a few changes it can be made to support the inline asm. This would be the primary reason for using it. Passed all fate tests, versions tested: 13.1.1.171 (2013 Update 3) x86 and x64 12.1.5.344 (2011 Update 11) x86 and x64 Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
* configure: Fix check_exec_crash for ICL supportLaurent2013-05-25
| | | | | | | | | | | | | | | | | Change the check_exec_crash test to use a function pointer instead of simply calling the function. The EBP availability test will crash when compiled with ICL likely due to compiler optimization shenanigans. Originally the check_exec_crash code was moved out of main to fix a problem with gcc's treatment of non-leaf main on x86_32. Libav already moved the code out of main but the addition of the function pointer will prevent any inlining which fixes the remaining problem. A function pointer is used since it is compiler agnostic (as opposed to say __attribute__ ((noinline)) which would only work with gcc compatible compilers). Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
* configure: Enable the strtod workaround when building for bionicMartin Storsjö2013-05-21
| | | | Signed-off-by: Martin Storsjö <martin@martin.st>
* configure: msvc: Set the target windows version to XP if no target is setMartin Storsjö2013-05-19
| | | | | | | | | | | | MSVC 2010 (or more precisely, Windows SDK 7.0 which comes with MSVC 2010) sets _WIN32_WINNT to the constant for Windows 7 if nothing is set. This could lead to the libav configure script detecting and using functions only present in Windows 7 or newer, which in most cases isn't desired. If the caller explicitly wants this, the caller can add the _WIN32_WINNT define via --extra-cflags, setting the desired version. Signed-off-by: Martin Storsjö <martin@martin.st>
* configure: Add basic valgrind-massif supportLuca Barbato2013-05-18
| | | | | | With the parameter --toolchain valgrind-massif, the configure script sets reasonable defaults that can be overridden as explained in the documentation.
* Apple Intermediate Codec decoderKostya Shishkov2013-05-17
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* configure: Use linker hardening flags on mingwAlex Smith2013-05-15
| | | | | | | | | | This makes it consistent with the msvc builds which automatically set the DEP and ASLR flags by default. There really is no good reason why they shouldn't be set. The fact that binutils does not set them on by default boggles the mind. Signed-off-by: Martin Storsjö <martin@martin.st>
* configure: Disable PIC for cygwin just as for win32/mingwMartin Storsjö2013-05-13
| | | | | | | | If this is explicitly disabled for win32/mingw, it should also be disabled for cygwin, for consistency and for the same reasons as for win32/mingw. Signed-off-by: Martin Storsjö <martin@martin.st>
* configure: x86: Only enable cpunop on i686Diego Biurrun2013-05-12
| | | | | The assembler may insert nopl instructions for cpunop, which are not (universally) supported on i586 CPUs.
* configure: Rename cmov processor capability to i686Diego Biurrun2013-05-12
| | | | | The goal is to make the capapility slightly more general and have it cover the availability of the nopl instruction in addition to cmov.
* configure: Explicitly disable PIC when targeting win32/mingwMartin Storsjö2013-05-12
| | | | | | | | | | | | | | These platforms do not have any notion of PIC. On some compilers, enabling pic produces a number of warnings. This avoids trying to produce PIC loads in the ARM assembly - there are no relocation types in PE/COFF that correspond to BFD_RELOC_32_PCREL (R_ARM_REL32 in ELF). As a side-effect, this avoids enabling PIC on mingw64, getting rid of the warnings about PIC not having any effect on that platform. Signed-off-by: Martin Storsjö <martin@martin.st>
* configure: Use enable_weak when enabling picMartin Storsjö2013-05-12
| | | | | | | This allows it to be overridden, either by the user on the command line, or by other sections of the configure script. Signed-off-by: Martin Storsjö <martin@martin.st>
* msvc: Move linker pragma from config.h to libavutil/internal.hMartin Storsjö2013-05-08
| | | | | | | This makes linking succeed for tools that include config.h but don't link to libavutil. Signed-off-by: Martin Storsjö <martin@martin.st>
* configure: add dependencies to lavfi .pc fileAnton Khirnov2013-05-07
| | | | | | | The scale filter depends on sws, resample on lavr, and movie on lavf and lavc. Fixes Bug 502.
* configure: make avconv select (a)trim filtersAnton Khirnov2013-05-07
| | | | They are now used for -ss/-t
* configure: Check for getenvMartin Storsjö2013-05-04
| | | | | | | | | | | | | | | | When targeting the "windows store application" (metro) API subset (or the windows phone API subset), the getenv function isn't available. If it is unavailable, just define getenv to NULL. The check uses check_func_headers, since the function actually might exist in the libraries, but is hidden in the headers. The fallback is in config.h since msvc can't do -D defines with parameters on the command line, and it's used both within the libraries and the frontend applications (so a libavutil internal header wouldn't be enough). Signed-off-by: Martin Storsjö <martin@martin.st>
* configure: Add basic valgrind-memcheck supportReinhard Tartler2013-05-04
| | | | | | | | With the parameter --valgrind-memcheck, the configure script sets reasonable defaults that can be overridden as explained in the documentation. The idea of using set_defaults is from Luca Barbato.
* compat: msvc: Make sure the object files are included when linking staticallyMartin Storsjö2013-05-03
| | | | | | | | | | | | | | | | | | | | | | | | | | If building libav with -MD in the cflags (for making the MSVC compiler generate code for using a dynamically linked libc), the system headers that declare strtod, snprintf and vsnprintf declare the functions as imported from a DLL. To hook up wrappers of our own for these functions, the function names are defined to avpriv_*, so that the calling code within libav calls the wrappers instead. Since these functions are declared to be imported from DLLs, the calling code expects to load them from DLL import function pointers (creating references to _imp__avpriv_strtod instead of directly to avpriv_strtod). If the libav libraries are not built as DLLs, no such function pointers (as the calling code expects) are created. The linker can fix this up automatically in some cases (producing warnings LNK4217 and LNK4049), if the object files are already included. By telling the linker to try to include those symbols (without the _imp prefix as the calling code ends up using), we get the object files included, so that the linker can do the automatic fixup. This is done via config.h, so that all (or at least most) of the object files in our libraries force including the compat files, to make sure they are included regardless of what files from our static libraries actually are included. Signed-off-by: Martin Storsjö <martin@martin.st>
* configure: Don't do enable_deep_weak on disabled variablesMartin Storsjö2013-05-02
| | | | | | | | | | | | | This avoids cases where configure tries to weakly enable an item which actually is disabled, ending up still enabling dependencies of the item which itself is only enabled weakly. More concretely, the h264 decoder suggests error resilience, which is then enabled weakly (unless manually disabled). Previously, dsputil, which is a dependency of error resilience, was enabled even if error resilience wasn't enabled in the end. Signed-off-by: Martin Storsjö <martin@martin.st>
* configure: Use a different variable name in push/popvarMartin Storsjö2013-05-02
| | | | | | | | | The variable name 'var' is commonly used to iterate through arguments in other functions. When the pushvar function internally uses the variable 'var', it makes pushing/popping the variable 'var' not work as intended. Signed-off-by: Martin Storsjö <martin@martin.st>
* mjpeg: Use hpeldsp instead of dsputil for half-pel functionsRonald S. Bultje2013-04-19
| | | | Signed-off-by: Martin Storsjö <martin@martin.st>
* svq1enc: Use hpeldsp instead of dsputil for half-pel functionsRonald S. Bultje2013-04-19
| | | | Signed-off-by: Martin Storsjö <martin@martin.st>
* svq3: Use hpeldsp instead of dsputil for half-pel functionsRonald S. Bultje2013-04-19
| | | | Signed-off-by: Martin Storsjö <martin@martin.st>
* mpegvideo: Use hpeldsp instead of dsputil for half-pel functionsRonald S. Bultje2013-04-19
| | | | | | This also converts vc1, since that is mpegvideo-based. Signed-off-by: Martin Storsjö <martin@martin.st>
* svq1: Use hpeldsp instead of dsputil for half-pel functionsRonald S. Bultje2013-04-19
| | | | | | This makes svq1 independent of dsputil. Signed-off-by: Martin Storsjö <martin@martin.st>
* mimic: Use hpeldsp instead of dsputil for half-pel functionsRonald S. Bultje2013-04-19
| | | | Signed-off-by: Martin Storsjö <martin@martin.st>
* interplayvideo: Use hpeldsp instead of dsputil for half-pel functionsRonald S. Bultje2013-04-19
| | | | | | This makes interplayvideo independent of dsputil. Signed-off-by: Martin Storsjö <martin@martin.st>
* bink: Use hpeldsp instead of dsputil for half-pel functionsRonald S. Bultje2013-04-19
| | | | Signed-off-by: Martin Storsjö <martin@martin.st>
* indeo3: Use hpeldsp instead of dsputil for half-pel functionsRonald S. Bultje2013-04-19
| | | | | | This makes the Indeo 3 decoder independent of dsputil. Signed-off-by: Martin Storsjö <martin@martin.st>
* vp56: Use hpeldsp instead of dsputil for half-pel functionsRonald S. Bultje2013-04-19
| | | | | | This makes vp5 and vp6 independent of dsputil. Signed-off-by: Martin Storsjö <martin@martin.st>
* vp3: Use hpeldsp instead of dsputil for half-pel functionsRonald S. Bultje2013-04-19
| | | | | | This makes vp3 independent of dsputil. Signed-off-by: Martin Storsjö <martin@martin.st>
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