Update cheatsheets

linux/mpicc

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+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# mpicc
+
+> Open MPI C wrapper compiler.
+> The wrappers are simply thin shells on top of a C compiler, they add the relevant compiler and linker flags to the command-line that are necessary to compile/link Open MPI programs, and then invoke the underlying C compiler to actually perform the command.
+> More information: <https://www.mpich.org/static/docs/latest/www1/mpicc.html>.
+
+- Compile a source code file into an object file:
+
+`mpicc -c {{path/to/file.c}}`
+
+- Link an object file and make an executable:
+
+`mpicc -o {{executable}} {{path/to/object_file.o}}`
+
+- Compile and link source code in a single command:
+
+`mpicc -o {{executable}} {{path/to/file.c}}`