When building spice-gtk with modern gcc, the tests fail to build with the following error below. I've tried various combinations and modifications to the tests/Makefile.am to explicitly add `-lm` to LDADD, AM_LDADD, AM_LIBS, etc, and was still unable to come up with a working patch, not sure what's going on here. libtool: link: gcc -g -O2 -o test-file-transfer file-transfer.o -L/usr/lib ../src/.libs/libspice-client-glib-2.0.a -L/usr/lib/x86_64-linux-gnu/mit-krb5 /usr/lib/libgthread-2.0.so -lopus -ljpeg -lpixman-1 -lssl -lcrypto -lpulse-mainloop-glib -lpulse -lsasl2 /usr/lib/libphodav-2.0.so /usr/lib/libsoup-2.4.so -lxml2 /usr/lib/x86_64-linux-gnu/libsqlite3.so -lgssapi_krb5 -lkrb5 -lk5crypto -lcom_err /usr/lib/libgio-2.0.so /usr/lib/libgmodule-2.0.so -ldl -lz -lselinux -lresolv /usr/lib/libgobject-2.0.so -lffi /usr/lib/libglib-2.0.so -lpcre -lpthread -pthread libtool: link: gcc -g -O2 -o test-pipe pipe.o -L/usr/lib ../src/.libs/libspice-client-glib-2.0.a -L/usr/lib/x86_64-linux-gnu/mit-krb5 /usr/lib/libgthread-2.0.so -lopus -ljpeg -lpixman-1 -lssl -lcrypto -lpulse-mainloop-glib -lpulse -lsasl2 /usr/lib/libphodav-2.0.so /usr/lib/libsoup-2.4.so -lxml2 /usr/lib/x86_64-linux-gnu/libsqlite3.so -lgssapi_krb5 -lkrb5 -lk5crypto -lcom_err /usr/lib/libgio-2.0.so /usr/lib/libgmodule-2.0.so -ldl -lz -lselinux -lresolv /usr/lib/libgobject-2.0.so -lffi /usr/lib/libglib-2.0.so -lpcre -lpthread -pthread /usr/bin/ld: ../src/.libs/libspice-client-glib-2.0.a(lines.o): undefined reference to symbol 'hypot@@GLIBC_2.2.5' //lib/x86_64-linux-gnu/libm.so.6: error adding symbols: DSO missing from command line collect2: error: ld returned 1 exit status
It's spice-common/common/Makefile.am which would need to have -lm, or src/Makefile.am as libspice-client-glib-2.0.a uses hypot() from libm Something like diff --git a/m4/spice-deps.m4 b/m4/spice-deps.m4 index 68e3091..1bfc116 100644 --- a/m4/spice-deps.m4 +++ b/m4/spice-deps.m4 @@ -50,6 +50,9 @@ AC_DEFUN([SPICE_CHECK_SYSDEPS], [ AC_FUNC_ERROR_AT_LINE AC_FUNC_FORK AC_CHECK_FUNCS([dup2 floor inet_ntoa memmove memset pow sqrt]) + AC_SEARCH_LIBS([hypot], [m], [], [ + AC_MSG_ERROR([unable to find the hypot() function]) + ]) ]) applied in the spice-common subdirectory (+ autogen.sh) should help.
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