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72 lines
2.4 KiB
72 lines
2.4 KiB
From 5a2c3ffa7264319c52f0dfd30bcff5f0a86ec01d Mon Sep 17 00:00:00 2001
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From: Adam Williamson <awilliam@redhat.com>
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Date: Mon, 25 May 2020 12:08:23 -0700
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Subject: [PATCH] Makefiles: set CXXFLAGS not CFLAGS or CPPFLAGS
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CFLAGS is for C compilation. CPPFLAGS is for the preprocessor.
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CXXFLAGS is for C++ compilation, which is what we're actually
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trying to apply the flags to in all three cases. CPPFLAGS happen
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to be applied to the compile stage as well as the preprocessor
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usually, so CPPFLAGS was working, but it wasn't correct. CFLAGS
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is not applied to C++ compiles, so `videoencoder_CFLAGS` was
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not being used at all.
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This broke build on Fedora Rawhide, because /usr/include/opencv2
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no longer exists there. There is /usr/include/opencv4/opencv2 and
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this should be fine because we should get -I/usr/include/opencv4
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from OPENCV_CFLAGS, but because of this bug, that wasn't set
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correctly and the build failed. With this change it works.
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Thanks to Orion Poplowski for reminding me of the CPPFLAGS vs.
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CXXFLAGS distinction here.
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Signed-off-by: Adam Williamson <awilliam@redhat.com>
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---
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Makefile.am | 2 +-
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debugviewer/Makefile.am | 2 +-
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snd2png/Makefile.am | 3 +--
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3 files changed, 3 insertions(+), 4 deletions(-)
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diff --git a/Makefile.am b/Makefile.am
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index 61dbe1d2..a5b4fbf2 100644
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--- a/Makefile.am
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+++ b/Makefile.am
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@@ -119,7 +119,7 @@ pkglibexec_FOLDERS = \
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pkglibexec_PROGRAMS = videoencoder
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videoencoder_SOURCES = videoencoder.cpp
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-videoencoder_CFLAGS = -O2 -Wall -W $(OPENCV_CFLAGS)
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+videoencoder_CXXFLAGS = -O2 -Wall -W $(OPENCV_CFLAGS)
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videoencoder_LDADD = $(OPENCV_LIBS) $(THEORAENC_LIBS) -lm
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EXTRA_DIST = \
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diff --git a/debugviewer/Makefile.am b/debugviewer/Makefile.am
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index 47d1d953..eea1de60 100644
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--- a/debugviewer/Makefile.am
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+++ b/debugviewer/Makefile.am
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@@ -2,6 +2,6 @@ bin_PROGRAMS = debugviewer
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debugviewer_SOURCES = debugviewer.cpp
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-AM_CPPFLAGS = $(OPENCV_CFLAGS)
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+AM_CXXFLAGS = $(OPENCV_CFLAGS)
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debugviewer_LDFLAGS = $(OPENCV_LIBS)
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diff --git a/snd2png/Makefile.am b/snd2png/Makefile.am
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index 07bd084e..ec6f1840 100644
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--- a/snd2png/Makefile.am
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+++ b/snd2png/Makefile.am
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@@ -2,8 +2,7 @@ bin_PROGRAMS = snd2png
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snd2png_SOURCES = snd2png.cpp
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-AM_CXXFLAGS = -g3 -Wall -W
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-AM_CPPFLAGS = $(OPENCV_CFLAGS) $(FFTW_CFLAGS) $(SNDFILE_CFLAGS)
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+AM_CXXFLAGS = -g3 -Wall -W $(OPENCV_CFLAGS) $(FFTW_CFLAGS) $(SNDFILE_CFLAGS)
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snd2png_LDFLAGS = $(OPENCV_LIBS) $(FFTW_LIBS) $(SNDFILE_LIBS) -lm
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check-local:
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--
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2.26.2
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