libheif
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strukturag
cannot find -lpng15
centos 7.x
cd /tmp && \ tar zvxf libheif-${LIBHEIF_VERSION}.tar.gz && \ cd /tmp/libheif-${LIBHEIF_VERSION} && \ ./configure --prefix=/vips && \ make && \ make install
When i installed it returns
[2022-09-28 10:33:12] /bin/sh ../libtool --tag=CXX --mode=link g++ -I.. -I../. -I/usr/include/libpng15 -g -O2 -Wall -Werror -Wsign-compare -Wconversion -Wno-sign-conversion -Wno-error=conversion -Wno-error=unused-parameter -Wno-error=deprecated-declarations -Wno-error=tautological-compare -o heif-convert heif_convert-encoder.o heif_convert-heif_convert.o heif_convert-encoder_y4m.o heif_convert-encoder_png.o ../libheif/libheif.la -lpng15 -lpthread [2022-09-28 10:33:12] libtool: link: g++ -I.. -I../. -I/usr/include/libpng15 -g -O2 -Wall -Werror -Wsign-compare -Wconversion -Wno-sign-conversion -Wno-error=conversion -Wno-error=unused-parameter -Wno-error=deprecated-declarations -Wno-error=tautological-compare -o .libs/heif-convert heif_convert-encoder.o heif_convert-heif_convert.o heif_convert-encoder_y4m.o heif_convert-encoder_png.o ../libheif/.libs/libheif.so -lpng15 -lpthread -Wl,-rpath -Wl,/vips/lib [2022-09-28 10:33:12] /home/opt/compiler/gcc-8.2/bin/../lib/gcc/x86_64-pc-linux-gnu/8.2.0/../../../../x86_64-pc-linux-gnu/bin/ld: cannot find -lpng15
Have you done dnf install libpng-devel? (Or yum install libpng-devel if CentOS 7 hadn't switched to dnf yet.) You'll need pthread library as well, which is part of glibc-devel package if you haven't installed that yet.
Something's funky with your build environment then, since 15 is the libpng supplied with CentOS 7. Hm. What is the result of ls /usr/lib64/libpng*? libpng15.so.15.something should appear there. If it does, try modifying the makefile to use --verbose on the ld command, and see where it's looking for libpng. (Or just run the command as shown with --verbose appended.)