tox.ini: Move homebrew environment settings to script .homebrew-build…

…-env

.homebrew-build-env

@@ -0,0 +1,36 @@
+# Source this -*- shell-script -*- to set some environment variables
+# that activate keg-only homebrew package installations
+
+HOMEBREW=`brew --prefix` || return 1
+for l in gettext; do
+    if [ -d "$HOMEBREW/opt/$l/bin" ]; then
+        PATH="$HOMEBREW/opt/$l/bin:$PATH"
+    fi
+done
+export PATH
+PKG_CONFIG_PATH="$HOMEBREW/lib/pkgconfig:$PKG_CONFIG_PATH"
+# libpng.pc depends on zlib.pc
+for l in openblas openssl readline sqlite zlib; do
+    if [ -d "$HOMEBREW/opt/$l/lib/pkgconfig" ]; then
+       PKG_CONFIG_PATH="$HOMEBREW/opt/$l/lib/pkgconfig:$PKG_CONFIG_PATH"
+    fi
+done
+export PKG_CONFIG_PATH
+LDFLAGS="-L$HOMEBREW/lib $LDFLAGS"
+CPPFLAGS="-I$HOMEBREW/include $CPPFLAGS"
+for l in readline; do
+    if [ -d "$HOMEBREW/opt/$l/lib" ]; then
+        LDFLAGS="-L$HOMEBREW/opt/$l/lib $LDFLAGS"
+    fi
+    if [ -d "$HOMEBREW/opt/$l/include" ]; then
+        CPPFLAGS="-I$HOMEBREW/opt/$l/include $CPPFLAGS"
+    fi
+done
+export LDFLAGS
+export CPPFLAGS
+for l in gettext; do
+    if [ -d "$HOMEBREW/opt/$l/share/aclocal" ]; then
+        ACLOCAL_PATH="$HOMEBREW/opt/$l/share/aclocal:$ACLOCAL_PATH"
+    fi
+done
+export ACLOCAL_PATH

tox.ini

@@ -174,15 +174,12 @@ setenv =
     ###
     homebrew:         SYSTEM=homebrew
     local:            HOME={envdir}
+    local:            SETENV=:
     local-!direct:    PATH=/usr/bin:/bin:/usr/sbin:/sbin
     # brew caches downloaded files in ${HOME}/Library/Caches. We share it between different toxenvs.
     local-homebrew:   HOMEBREW={envdir}/homebrew
-    local-homebrew:   PATH={env:HOMEBREW}/opt/gettext/bin:{env:HOMEBREW}/bin:/usr/bin:/bin:/usr/sbin:/sbin
-    # libpng.pc depends on zlib.pc
-    local-homebrew:   PKG_CONFIG_PATH={env:HOMEBREW}/opt/openblas/lib/pkgconfig:{env:HOMEBREW}/opt/openssl/lib/pkgconfig:{env:HOMEBREW}/opt/readline/lib/pkgconfig:{env:HOMEBREW}/opt/sqlite/lib/pkgconfig:{env:HOMEBREW}/opt/zlib/lib/pkgconfig:{env:HOMEBREW}/lib/pkgconfig
-    local-homebrew:   LDFLAGS=-L{env:HOMEBREW}/opt/readline/lib -L{env:HOMEBREW}/lib
-    local-homebrew:   CPPFLAGS=-I{env:HOMEBREW}/opt/readline/include -I{env:HOMEBREW}/include
-    local-homebrew:   ACLOCAL_PATH={env:HOMEBREW}/opt/gettext/share/aclocal
+    local-homebrew:   PATH={env:HOMEBREW}/bin:/usr/bin:/bin:/usr/sbin:/sbin
+    local-homebrew:   SETENV=. .homebrew-build-env
 
 # environment will be skipped if regular expression does not match against the sys.platform string
 platform =
@@ -218,7 +215,7 @@ commands =
     docker:        {env:EXTRA_DOCKER_BUILD_ARGS:}
     # pathpy checksuite needs tox. #28728: gap fails its test suite.
     # linbox/cysignals testsuites fail.
-    local:         bash -c 'export PATH={env:PATH} MAKE="make -j12" && ./bootstrap && ./configure --prefix={envdir}/local && make -k V=0 base-toolchain && SAGE_CHECK=yes SAGE_CHECK_PACKAGES="!cython,!r,!python3,!python2,!nose,!pathpy,!gap,!cysignals,!linbox" make -k V=0 {posargs:numpy build}'
+    local:         bash -c 'export PATH={env:PATH} MAKE="make -j12" && {env:SETENV} && ./bootstrap && ./configure --prefix={envdir}/local && make -k V=0 base-toolchain && SAGE_CHECK=yes SAGE_CHECK_PACKAGES="!cython,!r,!python3,!python2,!nose,!pathpy,!gap,!cysignals,!linbox" make -k V=0 {posargs:numpy build}'
 
 [testenv:check_configure]
 ## Test that configure behaves properly