Fails to build

[matthiasbeyer]

Hi,

I get

The Meson build system
Version: 0.52.1
Source dir: /tmp/nix-build-swappy-2020-02-26.drv-0/source
Build dir: /tmp/nix-build-swappy-2020-02-26.drv-0/source/build
Build type: native build
Project name: swappy
Project version: 1.0.0
C compiler for the host machine: /nix/store/1kn7fi3hhi33jms3113riyzwyn2yqpqd-gcc-wrapper-9.2.0/bin/cc (gcc 9.2.0 "gcc (GCC) 9.2.0")
C linker for the host machine: GNU ld.bfd 2.31.1
Host machine cpu family: x86_64
Host machine cpu: x86_64
Found pkg-config: /nix/store/w6pfcj87889hgz0f77blq59z85mdrsh8-pkg-config-0.29.2/bin/pkg-config (0.29.2)
Run-time dependency cairo found: YES 1.16.0
Run-time dependency pango found: YES 1.44.7
Library m found: YES
Library rt found: YES
Run-time dependency gtk+-3.0 found: YES 3.24.13
Run-time dependency wayland-client found: YES 1.18.0
Run-time dependency wayland-cursor found: YES 1.18.0
Run-time dependency wayland-protocols found: YES 1.18
Run-time dependency libnotify found: YES 0.7.8
Found pkg-config: /nix/store/w6pfcj87889hgz0f77blq59z85mdrsh8-pkg-config-0.29.2/bin/pkg-config (0.29.2)
Program wayland-scanner found: YES (/nix/store/iy3kwxmv486mjm9qd9mszrh7by92bjch-wayland-1.18.0/bin/wayland-scanner)
Program scdoc found: YES (/nix/store/6fl4pl3l742in7pzndxw2syg1hrzykhf-scdoc-1.10.1/bin/scdoc)
Program sh found: YES (/nix/store/1iaxkm0941nj1m4m5g4fxgg4cq5jckf0-bash-4.4-p23/bin/sh)
Build targets in project: 5
Found ninja-1.10.0 at /nix/store/5x6l9s9idzf44np1wz1kv8pyq246q98h-ninja-1.10.0/bin/ninja
meson: enabled parallel building
building
build flags: -j4 -l4
[17/31] Compiling C object 'swappy@exe/src_buffer.c.o'.res_swappy.c.o'.ed_wlr-screencopy-unstable-v1-protocol.c.o'.
FAILED: swappy@exe/src_buffer.c.o 
/nix/store/1kn7fi3hhi33jms3113riyzwyn2yqpqd-gcc-wrapper-9.2.0/bin/cc -Iswappy@exe -I. -I.. -I../include -Ires -I/nix/store/a92yhf0icjl9lh553s4qjchdsm8lyzsy-cairo-1.16.0-dev/include/cairo -I/nix/store/1zlkr4x0bvxw3mn65chw9v3b48n8jh52-freetype-2.10.1-dev/include/freetype2 -I/nix/store/1zlkr4x0bvxw3mn65chw9v3b48n8jh52-freetype-2.10.1-dev/include -I/nix/store/5ad0cyv6lxpkk2m1prcrasdp2pysz73q-glib-2.62.4-dev/include -I/nix/store/5ad0cyv6lxpkk2m1prcrasdp2pysz73q-glib-2.62.4-dev/include/glib-2.0 -I/nix/store/vwvjrh97byihk40gwl26f0lnb3w405cv-glib-2.62.4/lib/glib-2.0/include -I/nix/store/sm843466f7cvhf1b804jjlay1nv7fyq0-pango-1.44.7-dev/include/pango-1.0 -I/nix/store/70yjv9sr9mhf75bliwmmxgyr37mx9lac-harfbuzz-2.6.4-dev/include/harfbuzz -I/nix/store/i5yw4gdhknqahzhkaqjfbgc9ydb2885w-gtk+3-3.24.13-dev/include/gtk-3.0 -I/nix/store/vmm5hrcbqrb7b605dnir17qbiz85x17n-atk-2.34.1-dev/include/atk-1.0 -I/nix/store/4w16ai3cx8sp7av9kc432w34r4fpdmfp-gdk-pixbuf-2.40.0-dev/include/gdk-pixbuf-2.0 -I/nix/store/i1mssjnbih9czf12fcda1883pvkirgss-libnotify-0.7.8-dev/include -I/nix/store/iy3kwxmv486mjm9qd9mszrh7by92bjch-wayland-1.18.0/include -fdiagnostics-color=always -pipe -D_FILE_OFFSET_BITS=64 -Werror -std=c11 -Wno-unused-parameter -DHAVE_LIBNOTIFY -DHAVE_WAYLAND_PROTOCOLS -MD -MQ 'swappy@exe/src_buffer.c.o' -MF 'swappy@exe/src_buffer.c.o.d' -o 'swappy@exe/src_buffer.c.o' -c ../src/buffer.c
../src/buffer.c: In function 'randname':
../src/buffer.c:12:3: error: implicit declaration of function 'clock_gettime' [-Werror=implicit-function-declaration]
   12 |   clock_gettime(CLOCK_REALTIME, &ts);
      |   ^~~~~~~~~~~~~
../src/buffer.c:12:17: error: 'CLOCK_REALTIME' undeclared (first use in this function)
   12 |   clock_gettime(CLOCK_REALTIME, &ts);
      |                 ^~~~~~~~~~~~~~
../src/buffer.c:12:17: note: each undeclared identifier is reported only once for each function it appears in
../src/buffer.c: In function 'create_shm_file':
../src/buffer.c:45:7: error: implicit declaration of function 'ftruncate'; did you mean 'strncat'? [-Werror=implicit-function-declaration]
   45 |   if (ftruncate(fd, size) < 0) {
      |       ^~~~~~~~~
      |       strncat
cc1: all warnings being treated as errors
[20/31] Compiling C object 'swappy@exe/src_render.c.o'.'.
ninja: build stopped: subcommand failed.

[jtheoof]

Hi @matthiasbeyer it seems some includes are required in your distribution. I would gladly accept a MR for this one.