forked from pool/libcamera
43 lines
2.1 KiB
Diff
43 lines
2.1 KiB
Diff
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From: Antonio Larrosa <alarrosa@suse.com>
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Subject: Work around what seems to be a gcc bug only happening in ppc64/ppc64le
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When building code like:
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constexpr Duration defaultMinFrameDuration = 1.0s / 30.0;
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or
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constexpr Duration controllerMinFrameDuration = 1.0s / 60.0;
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gcc 11.1.1 is giving this error:
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[ 235s] In file included from ../include/libcamera/base/log.h:10,
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[ 235s] from ../src/ipa/raspberrypi/raspberrypi.cpp:18:
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[ 235s] ../src/ipa/raspberrypi/raspberrypi.cpp:64:53: in ‘constexpr’ expansion of ‘std::chrono::operator/<long double, std::ratio<1>, double>(std::literals::chrono_literals::operator""s(1.0e+0l), 3.0e+1)’
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[ 235s] /usr/include/c++/11/chrono:710:39: error: ‘(1.0e+0l / 3.0e+1)’ is not a constant expression
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[ 235s] 710 | return __cd(__cd(__d).count() / __s);
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[ 235s] | ~~~~~~~~~~~~~~~~~~^~~~~
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[ 235s] ../src/ipa/raspberrypi/raspberrypi.cpp:73:56: in ‘constexpr’ expansion of ‘std::chrono::operator/<long double, std::ratio<1>, double>(std::literals::chrono_literals::operator""s(1.0e+0l), 6.0e+1)’
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This change works around it to let it build fine.
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Index: libcamera-0~2809.e0704e97/src/ipa/raspberrypi/raspberrypi.cpp
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===================================================================
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--- libcamera-0~2809.e0704e97.orig/src/ipa/raspberrypi/raspberrypi.cpp
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+++ libcamera-0~2809.e0704e97/src/ipa/raspberrypi/raspberrypi.cpp
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@@ -61,7 +61,7 @@ using utils::Duration;
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/* Configure the sensor with these values initially. */
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constexpr double defaultAnalogueGain = 1.0;
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constexpr Duration defaultExposureTime = 20.0ms;
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-constexpr Duration defaultMinFrameDuration = 1.0s / 30.0;
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+const Duration defaultMinFrameDuration = 1.0s / 30.0;
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constexpr Duration defaultMaxFrameDuration = 250.0s;
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/*
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@@ -70,7 +70,7 @@ constexpr Duration defaultMaxFrameDurati
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* we rate-limit the controller Prepare() and Process() calls to lower than or
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* equal to this rate.
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*/
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-constexpr Duration controllerMinFrameDuration = 1.0s / 60.0;
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+const Duration controllerMinFrameDuration = 1.0s / 60.0;
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LOG_DEFINE_CATEGORY(IPARPI)
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