Modular•2w ago

linker error: library not found when running mojo build

Hello, I am trying to compile a mojo file, however the linker can't find the library zlib, which is installed on my system (nix package manager):

❯ magic run mojo build psm.mojo
ld: library not found for -lz
collect2: error: ld returned 1 exit status
/Users/instable/Github/latex2utf8/.magic/envs/default/bin/mojo: error: failed to link executable

❯ magic run mojo build psm.mojo
ld: library not found for -lz
collect2: error: ld returned 1 exit status
/Users/instable/Github/latex2utf8/.magic/envs/default/bin/mojo: error: failed to link executable

So I added zlib to the dependencies using magic add zlib

❯ bat mojoproject.toml
   1   │ [project]
   2   │ authors = ["Allemand Instable <[email protected]>"]
   3   │ channels = ["conda-forge", "https://conda.modular.com/max", "https://repo.prefix.dev/mojo-community"]
   4   │ description = "Simple CLI tool to convert latex to utf8"
   5   │ name = "latex2utf8"
   6   │ platforms = ["osx-arm64"]
   7   │ version = "0.1.0"
   8   │
   9   │ [tasks]
  10   │
  11   │ [dependencies]
  12   │ max = "*"
  13   │ prism = ">=0.2.1,<0.3"
  14   │ zlib = ">=1.3.1,<2"

❯ bat mojoproject.toml
   1   │ [project]
   2   │ authors = ["Allemand Instable <[email protected]>"]
   3   │ channels = ["conda-forge", "https://conda.modular.com/max", "https://repo.prefix.dev/mojo-community"]
   4   │ description = "Simple CLI tool to convert latex to utf8"
   5   │ name = "latex2utf8"
   6   │ platforms = ["osx-arm64"]
   7   │ version = "0.1.0"
   8   │
   9   │ [tasks]
  10   │
  11   │ [dependencies]
  12   │ max = "*"
  13   │ prism = ">=0.2.1,<0.3"
  14   │ zlib = ">=1.3.1,<2"

but it kept on having the same linker error looking at usual C compiler and linker flags :

❯ export LDFLAGS="$(pkg-config --libs zlib)"
❯ export CFLAGS="$(pkg-config --cflags zlib)"

❯ export LDFLAGS="$(pkg-config --libs zlib)"
❯ export CFLAGS="$(pkg-config --cflags zlib)"

it should work fine given :

❯ pkg-config --libs zlib
-L/nix/store/lcdcai6gs0dbsx7a0hz43xb3xwwmb9dl-zlib-1.3.1/lib -lz
❯ pkg-config --cflags zlib
-I/nix/store/3v6hssqkac6ffmq185qwc1sbyflpj5hw-zlib-1.3.1-dev/include

❯ pkg-config --libs zlib
-L/nix/store/lcdcai6gs0dbsx7a0hz43xb3xwwmb9dl-zlib-1.3.1/lib -lz
❯ pkg-config --cflags zlib
-I/nix/store/3v6hssqkac6ffmq185qwc1sbyflpj5hw-zlib-1.3.1-dev/include

however I still get the error message from the linker not being able to find the zlib library for compiling my file

❯ magic run mojo build psm.mojo
ld: library not found for -lz
collect2: error: ld returned 1 exit status
/Users/instable/Github/latex2utf8/.magic/envs/default/bin/mojo: error: failed to link executable

❯ magic run mojo build psm.mojo
ld: library not found for -lz
collect2: error: ld returned 1 exit status
/Users/instable/Github/latex2utf8/.magic/envs/default/bin/mojo: error: failed to link executable

Has anyone any idea on how I could fix this ? Thank you very much !

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linker error: library not found when running mojo build