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Merge pull request #1505 from ararslan/aa/compiler 

Compile with cc rather than gcc whenever possible
This commit is contained in:
Martin Kroeker 2018-04-04 22:45:33 +02:00 committed by GitHub
parent d636b418af 8f811a9312
commit 84923dedb7
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1 changed files with 16 additions and 7 deletions
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21
Makefile.system
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@ -17,15 +17,24 @@ NETLIB_LAPACK_DIR = $(TOPDIR)/lapack-netlib
# http://stackoverflow.com/questions/4029274/mingw-and-make-variables
# - Default value is 'cc' which is not always a valid command (e.g. MinGW).
ifeq ($(origin CC),default)
# Check if $(CC) refers to a valid command and set the value to gcc if not
ifneq ($(findstring cmd.exe,$(SHELL)),)
ifeq ($(shell where $(CC) 2>NUL),)
CC = gcc
# Change the default compile to clang on Mac OSX.
# http://stackoverflow.com/questions/714100/os-detecting-makefile
UNAME_S := $(shell uname -s)
ifeq ($(UNAME_S),Darwin)
endif
else # POSIX-ish
ifeq ($(shell command -v $(CC) 2>/dev/null),)
ifeq ($(shell uname -s),Darwin)
CC = clang
# EXTRALIB += -Wl,-no_compact_unwind
endif
endif
else
CC = gcc
endif # Darwin
endif # CC exists
endif # Shell is sane
endif # CC is set to default
# Default Fortran compiler (FC) is selected by f_check.